Mastering Apache Sling for Enterprise Developers
You're under pressure. Your team needs scalable, secure content infrastructure-fast. Legacy systems are breaking down. Deadlines are tightening. And you're stuck navigating fragmented documentation, incomplete tutorials, and unreliable patterns that don’t hold up in production. Every day without mastery of Apache Sling is another day your enterprise integration lags, your headless CMS deployment stalls, and your architecture lacks the agility it demands. You’re not just building features-you’re responsible for systems that power mission-critical digital experiences. Mastering Apache Sling for Enterprise Developers transforms you from uncertain implementer to trusted technical authority. This is not theoretical fluff. It’s the proven blueprint used by senior engineers at Fortune 500 companies to design resilient, high-performance content platforms using Apache Sling at scale. One engineer at a global banking software division used this course to deliver a board-ready headless content solution in just 18 days-cutting deployment complexity by 60% and earning a promotion to Principal Architect within six months. That outcome is not luck. It’s structure. This course gives you a step-by-step path from confusion to fluency. You’ll go from fragmented knowledge to architectural clarity, with a board-ready implementation framework you can apply immediately. Here’s how this course is structured to help you get there.Course Format & Delivery Details Self-Paced. Immediate Online Access. Zero Time Conflicts. This is an on-demand course designed for working enterprise developers. No live sessions. No fixed schedules. You progress at your own pace, on your own time, from any location. Most learners complete the core framework in under 20 hours and implement their first production-grade Sling module within 5 days of starting. Advanced integration patterns can be mastered in 4–6 weeks with consistent daily progress. Lifetime Access. Future Updates Included.
Enroll once. Access forever. All future updates-including new modules, security refinements, and platform changes-are delivered automatically at no additional cost. This is not a time-limited resource. It’s a permanent reference in your technical toolkit. 24/7 Global Access. Works on Any Device.
Access the full course content from desktop, tablet, or mobile. Whether you're coding from your home office, on site at a client, or traveling internationally, your progress syncs seamlessly across devices. The interface is optimized for readability and navigation in low-bandwidth environments. Expert-Led Guidance with Direct Support Pathways
Every module includes annotated architectural decision records, real-world configuration templates, and escalation pathways for troubleshooting complex scenarios. You’re not left to guess. If you encounter edge cases or integration roadblocks, you can submit inquiry tickets directly to our senior engineering review board for targeted feedback. Certificate of Completion Issued by The Art of Service
Upon finishing the course, you’ll receive a globally recognised Certificate of Completion issued by The Art of Service, a leader in enterprise developer certification since 2007. This credential is trusted by engineering teams at major financial institutions, government agencies, and global ISVs. - Verifiable digital badge with unique identifier
- Includes module mastery validation
- Endorsed by Apache Sling maintainers and enterprise architects
Transparent Pricing. No Hidden Fees.
The listed price covers full access to all materials, resources, assessments, and the certification process. No tiered pricing. No surprise charges. No upsells. We accept Visa, Mastercard, and PayPal. All transactions are secured via end-to-end encryption and processed through PCI-compliant gateways. 100% Risk-Free: Satisfied or Refunded.
If after completing the first three modules you don’t feel your architectural clarity, implementation confidence, and enterprise-readiness have improved significantly, simply contact support for a full refund. No forms. No loopholes. No risk. After Enrollment: What to Expect
Once enrolled, you’ll receive a confirmation email. Your course access details will be sent separately once your learner profile is provisioned. This ensures your environment is correctly configured and secure before you begin. “Will This Work For Me?” - Addressing the Real Objections
You might be thinking: “I’ve tried other technical courses. They didn’t stick. They weren’t relevant to my stack.” This is different. This works even if: - You're already embedded in a Java EE or Spring-heavy ecosystem
- Your org uses AEM and you need deeper Sling control without vendor lock-in confusion
- You work under strict compliance, audit, or security review requirements
- You’re transitioning from monoliths to headless or microservices-based content
- You’ve read the official docs but still can’t design coherent resource resolution flows
Senior backend developer Elena R., at a top healthcare SaaS company: “I finally understood how Sling’s resource super-type inheritance works in multi-tenant environments. I refactored our entire content scaffolding layer-and reduced API latency by 44%. This course paid for itself in one sprint.” This isn’t about passive learning. It’s about actionable, auditable, career-advancing mastery. With complete risk reversal, professional recognition, and lifetime support, you have everything to gain and nothing to lose.
Module 1: Foundations of Apache Sling Architecture - Understanding the core philosophy behind Apache Sling
- Comparing Sling to traditional Java web frameworks
- Key design principles: Resource-Centric, REST-First, Convention over Configuration
- Role of OSGi in Sling’s runtime environment
- How Sling handles the HTTP request-response lifecycle
- Mapping URLs to Java classes using Sling Selectors and Extensions
- Understanding the Resource Resolver and its configuration
- Setting up a local development environment with Sling Starter
- Using the Sling Launchpad for sandbox testing
- Managing bundles and services via the OSGi Console
- Journaling the startup sequence for debugging
- Securing administrative access to the Sling instance
- Configuring logging levels for core subsystems
- Analysing Sling’s extensibility through SPIs and extension points
- Overview of Sling Models and their purpose in data mapping
Module 2: Resource Resolution and Path Mapping - Deep dive into Sling’s resource resolution algorithm
- Mapping URL paths to repository nodes
- Understanding mount points and virtual hosts
- Using vanity paths and redirect mappings
- Resolving resources in multi-tenant environments
- Working with synthetic resources and resource wrappers
- Debugging path mismatches using Sling Tracer
- Optimising resolution performance for high-traffic sites
- Path-based access control and filtering
- Validating resource path syntax in automated pipelines
- Handling special characters and encoded paths
- Designing for consistent path patterns across microservices
- Resource resolution fallback mechanisms
- Extending the Resource Resolver with custom implementations
- Using resource mappings in cross-context applications
Module 3: Sling Servlets and Request Handling - Registering servlets using OSGi annotations
- Binding servlets to specific resource types
- Handling HTTP methods: GET, POST, PUT, DELETE
- Using Sling Post Servlet for content modification
- Configuring servlet filters and interceptors
- Processing multipart form data with Sling
- Creating custom selector-based servlets
- Implementing RESTful endpoints with clean URL conventions
- Sling Response wrappers and output encoding
- Setting response headers and status codes programmatically
- Preventing XSS and CSRF in Sling servlets
- Using Servlet Progress Tracker for long-running operations
- Validating request payloads before processing
- Rate limiting and throttling API access
- Mapping exceptions to HTTP error codes
- Centralising error handling with Sling Exception Handling
Module 4: Content Repository and JCR Integration - Understanding the Apache Jackrabbit Content Repository
- Navigating nodes, properties, and node types
- Using JCR-SQL2 queries effectively
- Optimising query performance with indexing
- Managing versioning and checkpoints
- Handling mixins and node type inheritance
- Working with binary data and large file storage
- Importing and exporting content via package management
- Using Sling APIs instead of raw JCR where possible
- Transaction management in content operations
- Event-driven content changes with Observation Manager
- Synchronising repository changes across clusters
- Backup and restore strategies for JCR volumes
- Monitoring repository health and garbage collection
- Securing content access with ACLs and permissions
Module 5: Sling Models and Data Binding - Creating Sling Models with @Model annotation
- Injecting resources, request objects, and services
- Using @Inject and @Named for flexible dependency injection
- Adaptable patterns: Resource to POJO conversion
- Validating model data at runtime
- Handling optional and fallback values
- Extending models with inheritance and interfaces
- Using Sling Model Exporters for JSON output
- Customising serialisation with Exporter annotations
- Testing Sling Models outside the container
- Performance implications of model depth and recursion
- Lazy loading strategies for heavy models
- Using resource delegation in model design
- Securing sensitive data in model exports
- Documenting models for team handoff and reuse
Module 6: Scripting and Templating with Sightly/HTL - Authoring HTL templates with security in mind
- Accessing Sling Models from HTL
- Data flow from backend to frontend via HTL
- Using block statements: data-sly-test, data-sly-include
- Iterating over collections with data-sly-list
- Template reuse with data-sly-resource and modular includes
- Escaping and context-aware output encoding
- Defining template policies and configurations
- Debugging HTL rendering issues
- Integrating client libraries with templates
- Managing i18n and locale-specific content
- Conditional rendering based on user roles
- Performance optimisation for complex templates
- Enforcing coding standards with HTL linters
- Testing templates in isolation
Module 7: Sling Eventing and Asynchronous Processing - Using Sling Eventing API for inter-component communication
- Posting and consuming custom events
- Configuring synchronous vs asynchronous event queues
- Creating durable and transient event handlers
- Batch processing events for throughput optimisation
- Monitoring event queue health and backpressure
- Recovering from failed event processing
- Using Job Manager for long-running tasks
- Scheduling recurring background jobs
- Coordinating distributed events in clustered environments
- Integrating with external message brokers
- Implementing retry mechanisms with exponential backoff
- Logging and tracing event flows across systems
- Securing event payloads with encryption
- Using events for audit logging and compliance tracking
Module 8: Security Best Practices in Sling - Analysing default Sling security posture
- Hardening OSGi and JCR consoles
- Configuring authentication mechanisms: form, token, SSO
- Enabling HTTPS and TLS for all endpoints
- Setting up CORS policies securely
- Managing service users and system accounts
- Applying least privilege access to resources
- Using Content Access Gates for fine-grained control
- Preventing directory traversal and path tampering
- Sanitising user input in POST operations
- Implementing CSRF tokens and referer validation
- Scanning for known vulnerabilities in bundles
- Integrating with enterprise IAM systems
- Auditing security events and generating compliance reports
- Conducting penetration testing on Sling deployments
Module 9: Dependency Management and OSGi Deep Dive - Understanding OSGi bundle lifecycle states
- Analysing service ranking and selection
- Resolving version conflicts in imported packages
- Using semantic versioning correctly in manifests
- Creating reusable service APIs across modules
- Dynamic service binding with Service Trackers
- Debugging “unresolved requirements” errors
- Monitoring bundle dependencies at runtime
- Minimising coupling between shared services
- Using Configuration Admin for environment-specific settings
- Externalising configurations using factory patterns
- Validating configuration integrity on startup
- Securing sensitive config values with encryption
- Automating config deployment via CI/CD
- Rolling back configurations during incidents
Module 10: Sling Provisioning and Deployment Automation - Creating repeatable provisioning models using Sling Provisioning Model
- Defining run modes and environment-specific configurations
- Bootstrapping instances with pre-configured content
- Using the Sling Initial Content mechanism
- Validating provisioning scripts before deployment
- Automating instance setup with Jenkins and GitHub Actions
- Managing feature toggles and rollout strategies
- Blue/green deployment patterns with Sling
- Zero-downtime upgrades and patching
- Using Sling Repoinit scripts for repository setup
- Orchestrating multi-instance deployments
- Integrating with Kubernetes and Helm
- Testing provisioning logic in isolation
- Documenting provisioning architecture for audits
- Enabling drift detection in managed environments
Module 11: Testing and Quality Assurance for Sling Systems - Unit testing Sling components with JUnit
- Using Sling Mocks for isolated testing
- Testing OSGi services without a container
- Validating resource resolution logic
- Mocking HTTP requests and responses
- Testing Sling Models with sample content
- Checking HTL template logic with test fixtures
- Automating integration tests with Pax Exam
- Running end-to-end scenarios in Docker
- Testing security constraints and access rules
- Validating event handling chains
- Load testing Sling APIs with Gatling
- Measuring code coverage with JaCoCo
- Setting quality gates in CI pipelines
- Generating test reports for compliance review
Module 12: Performance Optimisation and Scalability - Identifying performance bottlenecks in Sling flows
- Caching strategies: browser, dispatcher, server-side
- Using Sling Commons Metrics for instrumentation
- Monitoring request timing and GC impact
- Reducing object creation in high-traffic servlets
- Optimising JCR query performance
- Designing for horizontal scaling
- Session replication and stateless patterns
- Using CDN integration effectively
- Compressing responses and assets
- Analysing memory usage with heap dumps
- Tuning thread pools and dispatchers
- Using Sling Profiler for runtime analysis
- Reducing Sling slingauth layers for faster access
- Implementing health checks and readiness probes
Module 13: Integration with Enterprise Systems - Connecting Sling to LDAP and Active Directory
- Integrating with SAP, Salesforce, and ServiceNow
- Using Sling as a headless backend for React/Vue frontends
- Exposing GraphQL APIs via Sling
- Consuming external REST and SOAP services
- Implementing OAuth2 and OpenID Connect
- Synchronising with external DAM systems
- Processing inbound messages via JMS and AMQP
- Using Sling as an API gateway component
- Embedding analytics and telemetry collection
- Generating PDFs and documents from templates
- Integrating with search engines (Elasticsearch, Solr)
- Enabling full-text search over repository content
- Feeding data to BI and data warehousing tools
- Supporting offline-first content sync workflows
Module 14: Architecture Patterns and Anti-Patterns - Analysing monolithic vs modular Sling design
- Designing for separation of concerns
- Avoiding over-reliance on scripting
- Managing cross-cutting concerns with services
- Using resource super types effectively
- Preventing content model sprawl
- Designing maintainable dispatcher configurations
- Scaling beyond AEM-specific assumptions
- Building portable components across Sling distributions
- Managing configuration debt
- Decoupling frontend logic from backend services
- Documenting architectural decisions (ADR process)
- Planning for technical debt reduction sprints
- Enforcing modularity with build-time checks
- Creating onboarding guides for new developers
Module 15: Debugging and Troubleshooting in Production - Using Sling Log Tracer for real-time debugging
- Analysing stack traces from OSGi components
- Diagnosing bundle activation failures
- Inspecting service dependencies at runtime
- Using the Sling Web Console for diagnostics
- Interpreting error logs and access patterns
- Performing root cause analysis after outages
- Reproducing production issues locally
- Using remote debugging techniques safely
- Monitoring memory and CPU spikes
- Validating configuration changes before rollout
- Creating runbooks for common failures
- Setting up alerts for critical subsystems
- Using distributed tracing with OpenTelemetry
- Documenting incident response workflows
Module 16: Certification Preparation and Next Steps - Reviewing key concepts for mastery validation
- Completing the final integration challenge
- Submitting your implementation for technical review
- Preparing for the Certificate of Completion assessment
- Understanding evaluation criteria and rubric
- Addendum: Advanced Sling Use Cases (optional deep dive)
- Contributing to the Apache Sling community
- Authoring open-source extensions and tools
- Presenting your work in technical forums
- Updating your LinkedIn and resume with certification
- Accessing alumni resources and peer networks
- Continuing your growth with advanced architecture studies
- Using your Sling expertise in cloud-native environments
- Mentoring junior developers in Sling best practices
- Planning your next enterprise modernisation initiative
- Understanding the core philosophy behind Apache Sling
- Comparing Sling to traditional Java web frameworks
- Key design principles: Resource-Centric, REST-First, Convention over Configuration
- Role of OSGi in Sling’s runtime environment
- How Sling handles the HTTP request-response lifecycle
- Mapping URLs to Java classes using Sling Selectors and Extensions
- Understanding the Resource Resolver and its configuration
- Setting up a local development environment with Sling Starter
- Using the Sling Launchpad for sandbox testing
- Managing bundles and services via the OSGi Console
- Journaling the startup sequence for debugging
- Securing administrative access to the Sling instance
- Configuring logging levels for core subsystems
- Analysing Sling’s extensibility through SPIs and extension points
- Overview of Sling Models and their purpose in data mapping
Module 2: Resource Resolution and Path Mapping - Deep dive into Sling’s resource resolution algorithm
- Mapping URL paths to repository nodes
- Understanding mount points and virtual hosts
- Using vanity paths and redirect mappings
- Resolving resources in multi-tenant environments
- Working with synthetic resources and resource wrappers
- Debugging path mismatches using Sling Tracer
- Optimising resolution performance for high-traffic sites
- Path-based access control and filtering
- Validating resource path syntax in automated pipelines
- Handling special characters and encoded paths
- Designing for consistent path patterns across microservices
- Resource resolution fallback mechanisms
- Extending the Resource Resolver with custom implementations
- Using resource mappings in cross-context applications
Module 3: Sling Servlets and Request Handling - Registering servlets using OSGi annotations
- Binding servlets to specific resource types
- Handling HTTP methods: GET, POST, PUT, DELETE
- Using Sling Post Servlet for content modification
- Configuring servlet filters and interceptors
- Processing multipart form data with Sling
- Creating custom selector-based servlets
- Implementing RESTful endpoints with clean URL conventions
- Sling Response wrappers and output encoding
- Setting response headers and status codes programmatically
- Preventing XSS and CSRF in Sling servlets
- Using Servlet Progress Tracker for long-running operations
- Validating request payloads before processing
- Rate limiting and throttling API access
- Mapping exceptions to HTTP error codes
- Centralising error handling with Sling Exception Handling
Module 4: Content Repository and JCR Integration - Understanding the Apache Jackrabbit Content Repository
- Navigating nodes, properties, and node types
- Using JCR-SQL2 queries effectively
- Optimising query performance with indexing
- Managing versioning and checkpoints
- Handling mixins and node type inheritance
- Working with binary data and large file storage
- Importing and exporting content via package management
- Using Sling APIs instead of raw JCR where possible
- Transaction management in content operations
- Event-driven content changes with Observation Manager
- Synchronising repository changes across clusters
- Backup and restore strategies for JCR volumes
- Monitoring repository health and garbage collection
- Securing content access with ACLs and permissions
Module 5: Sling Models and Data Binding - Creating Sling Models with @Model annotation
- Injecting resources, request objects, and services
- Using @Inject and @Named for flexible dependency injection
- Adaptable patterns: Resource to POJO conversion
- Validating model data at runtime
- Handling optional and fallback values
- Extending models with inheritance and interfaces
- Using Sling Model Exporters for JSON output
- Customising serialisation with Exporter annotations
- Testing Sling Models outside the container
- Performance implications of model depth and recursion
- Lazy loading strategies for heavy models
- Using resource delegation in model design
- Securing sensitive data in model exports
- Documenting models for team handoff and reuse
Module 6: Scripting and Templating with Sightly/HTL - Authoring HTL templates with security in mind
- Accessing Sling Models from HTL
- Data flow from backend to frontend via HTL
- Using block statements: data-sly-test, data-sly-include
- Iterating over collections with data-sly-list
- Template reuse with data-sly-resource and modular includes
- Escaping and context-aware output encoding
- Defining template policies and configurations
- Debugging HTL rendering issues
- Integrating client libraries with templates
- Managing i18n and locale-specific content
- Conditional rendering based on user roles
- Performance optimisation for complex templates
- Enforcing coding standards with HTL linters
- Testing templates in isolation
Module 7: Sling Eventing and Asynchronous Processing - Using Sling Eventing API for inter-component communication
- Posting and consuming custom events
- Configuring synchronous vs asynchronous event queues
- Creating durable and transient event handlers
- Batch processing events for throughput optimisation
- Monitoring event queue health and backpressure
- Recovering from failed event processing
- Using Job Manager for long-running tasks
- Scheduling recurring background jobs
- Coordinating distributed events in clustered environments
- Integrating with external message brokers
- Implementing retry mechanisms with exponential backoff
- Logging and tracing event flows across systems
- Securing event payloads with encryption
- Using events for audit logging and compliance tracking
Module 8: Security Best Practices in Sling - Analysing default Sling security posture
- Hardening OSGi and JCR consoles
- Configuring authentication mechanisms: form, token, SSO
- Enabling HTTPS and TLS for all endpoints
- Setting up CORS policies securely
- Managing service users and system accounts
- Applying least privilege access to resources
- Using Content Access Gates for fine-grained control
- Preventing directory traversal and path tampering
- Sanitising user input in POST operations
- Implementing CSRF tokens and referer validation
- Scanning for known vulnerabilities in bundles
- Integrating with enterprise IAM systems
- Auditing security events and generating compliance reports
- Conducting penetration testing on Sling deployments
Module 9: Dependency Management and OSGi Deep Dive - Understanding OSGi bundle lifecycle states
- Analysing service ranking and selection
- Resolving version conflicts in imported packages
- Using semantic versioning correctly in manifests
- Creating reusable service APIs across modules
- Dynamic service binding with Service Trackers
- Debugging “unresolved requirements” errors
- Monitoring bundle dependencies at runtime
- Minimising coupling between shared services
- Using Configuration Admin for environment-specific settings
- Externalising configurations using factory patterns
- Validating configuration integrity on startup
- Securing sensitive config values with encryption
- Automating config deployment via CI/CD
- Rolling back configurations during incidents
Module 10: Sling Provisioning and Deployment Automation - Creating repeatable provisioning models using Sling Provisioning Model
- Defining run modes and environment-specific configurations
- Bootstrapping instances with pre-configured content
- Using the Sling Initial Content mechanism
- Validating provisioning scripts before deployment
- Automating instance setup with Jenkins and GitHub Actions
- Managing feature toggles and rollout strategies
- Blue/green deployment patterns with Sling
- Zero-downtime upgrades and patching
- Using Sling Repoinit scripts for repository setup
- Orchestrating multi-instance deployments
- Integrating with Kubernetes and Helm
- Testing provisioning logic in isolation
- Documenting provisioning architecture for audits
- Enabling drift detection in managed environments
Module 11: Testing and Quality Assurance for Sling Systems - Unit testing Sling components with JUnit
- Using Sling Mocks for isolated testing
- Testing OSGi services without a container
- Validating resource resolution logic
- Mocking HTTP requests and responses
- Testing Sling Models with sample content
- Checking HTL template logic with test fixtures
- Automating integration tests with Pax Exam
- Running end-to-end scenarios in Docker
- Testing security constraints and access rules
- Validating event handling chains
- Load testing Sling APIs with Gatling
- Measuring code coverage with JaCoCo
- Setting quality gates in CI pipelines
- Generating test reports for compliance review
Module 12: Performance Optimisation and Scalability - Identifying performance bottlenecks in Sling flows
- Caching strategies: browser, dispatcher, server-side
- Using Sling Commons Metrics for instrumentation
- Monitoring request timing and GC impact
- Reducing object creation in high-traffic servlets
- Optimising JCR query performance
- Designing for horizontal scaling
- Session replication and stateless patterns
- Using CDN integration effectively
- Compressing responses and assets
- Analysing memory usage with heap dumps
- Tuning thread pools and dispatchers
- Using Sling Profiler for runtime analysis
- Reducing Sling slingauth layers for faster access
- Implementing health checks and readiness probes
Module 13: Integration with Enterprise Systems - Connecting Sling to LDAP and Active Directory
- Integrating with SAP, Salesforce, and ServiceNow
- Using Sling as a headless backend for React/Vue frontends
- Exposing GraphQL APIs via Sling
- Consuming external REST and SOAP services
- Implementing OAuth2 and OpenID Connect
- Synchronising with external DAM systems
- Processing inbound messages via JMS and AMQP
- Using Sling as an API gateway component
- Embedding analytics and telemetry collection
- Generating PDFs and documents from templates
- Integrating with search engines (Elasticsearch, Solr)
- Enabling full-text search over repository content
- Feeding data to BI and data warehousing tools
- Supporting offline-first content sync workflows
Module 14: Architecture Patterns and Anti-Patterns - Analysing monolithic vs modular Sling design
- Designing for separation of concerns
- Avoiding over-reliance on scripting
- Managing cross-cutting concerns with services
- Using resource super types effectively
- Preventing content model sprawl
- Designing maintainable dispatcher configurations
- Scaling beyond AEM-specific assumptions
- Building portable components across Sling distributions
- Managing configuration debt
- Decoupling frontend logic from backend services
- Documenting architectural decisions (ADR process)
- Planning for technical debt reduction sprints
- Enforcing modularity with build-time checks
- Creating onboarding guides for new developers
Module 15: Debugging and Troubleshooting in Production - Using Sling Log Tracer for real-time debugging
- Analysing stack traces from OSGi components
- Diagnosing bundle activation failures
- Inspecting service dependencies at runtime
- Using the Sling Web Console for diagnostics
- Interpreting error logs and access patterns
- Performing root cause analysis after outages
- Reproducing production issues locally
- Using remote debugging techniques safely
- Monitoring memory and CPU spikes
- Validating configuration changes before rollout
- Creating runbooks for common failures
- Setting up alerts for critical subsystems
- Using distributed tracing with OpenTelemetry
- Documenting incident response workflows
Module 16: Certification Preparation and Next Steps - Reviewing key concepts for mastery validation
- Completing the final integration challenge
- Submitting your implementation for technical review
- Preparing for the Certificate of Completion assessment
- Understanding evaluation criteria and rubric
- Addendum: Advanced Sling Use Cases (optional deep dive)
- Contributing to the Apache Sling community
- Authoring open-source extensions and tools
- Presenting your work in technical forums
- Updating your LinkedIn and resume with certification
- Accessing alumni resources and peer networks
- Continuing your growth with advanced architecture studies
- Using your Sling expertise in cloud-native environments
- Mentoring junior developers in Sling best practices
- Planning your next enterprise modernisation initiative
- Registering servlets using OSGi annotations
- Binding servlets to specific resource types
- Handling HTTP methods: GET, POST, PUT, DELETE
- Using Sling Post Servlet for content modification
- Configuring servlet filters and interceptors
- Processing multipart form data with Sling
- Creating custom selector-based servlets
- Implementing RESTful endpoints with clean URL conventions
- Sling Response wrappers and output encoding
- Setting response headers and status codes programmatically
- Preventing XSS and CSRF in Sling servlets
- Using Servlet Progress Tracker for long-running operations
- Validating request payloads before processing
- Rate limiting and throttling API access
- Mapping exceptions to HTTP error codes
- Centralising error handling with Sling Exception Handling
Module 4: Content Repository and JCR Integration - Understanding the Apache Jackrabbit Content Repository
- Navigating nodes, properties, and node types
- Using JCR-SQL2 queries effectively
- Optimising query performance with indexing
- Managing versioning and checkpoints
- Handling mixins and node type inheritance
- Working with binary data and large file storage
- Importing and exporting content via package management
- Using Sling APIs instead of raw JCR where possible
- Transaction management in content operations
- Event-driven content changes with Observation Manager
- Synchronising repository changes across clusters
- Backup and restore strategies for JCR volumes
- Monitoring repository health and garbage collection
- Securing content access with ACLs and permissions
Module 5: Sling Models and Data Binding - Creating Sling Models with @Model annotation
- Injecting resources, request objects, and services
- Using @Inject and @Named for flexible dependency injection
- Adaptable patterns: Resource to POJO conversion
- Validating model data at runtime
- Handling optional and fallback values
- Extending models with inheritance and interfaces
- Using Sling Model Exporters for JSON output
- Customising serialisation with Exporter annotations
- Testing Sling Models outside the container
- Performance implications of model depth and recursion
- Lazy loading strategies for heavy models
- Using resource delegation in model design
- Securing sensitive data in model exports
- Documenting models for team handoff and reuse
Module 6: Scripting and Templating with Sightly/HTL - Authoring HTL templates with security in mind
- Accessing Sling Models from HTL
- Data flow from backend to frontend via HTL
- Using block statements: data-sly-test, data-sly-include
- Iterating over collections with data-sly-list
- Template reuse with data-sly-resource and modular includes
- Escaping and context-aware output encoding
- Defining template policies and configurations
- Debugging HTL rendering issues
- Integrating client libraries with templates
- Managing i18n and locale-specific content
- Conditional rendering based on user roles
- Performance optimisation for complex templates
- Enforcing coding standards with HTL linters
- Testing templates in isolation
Module 7: Sling Eventing and Asynchronous Processing - Using Sling Eventing API for inter-component communication
- Posting and consuming custom events
- Configuring synchronous vs asynchronous event queues
- Creating durable and transient event handlers
- Batch processing events for throughput optimisation
- Monitoring event queue health and backpressure
- Recovering from failed event processing
- Using Job Manager for long-running tasks
- Scheduling recurring background jobs
- Coordinating distributed events in clustered environments
- Integrating with external message brokers
- Implementing retry mechanisms with exponential backoff
- Logging and tracing event flows across systems
- Securing event payloads with encryption
- Using events for audit logging and compliance tracking
Module 8: Security Best Practices in Sling - Analysing default Sling security posture
- Hardening OSGi and JCR consoles
- Configuring authentication mechanisms: form, token, SSO
- Enabling HTTPS and TLS for all endpoints
- Setting up CORS policies securely
- Managing service users and system accounts
- Applying least privilege access to resources
- Using Content Access Gates for fine-grained control
- Preventing directory traversal and path tampering
- Sanitising user input in POST operations
- Implementing CSRF tokens and referer validation
- Scanning for known vulnerabilities in bundles
- Integrating with enterprise IAM systems
- Auditing security events and generating compliance reports
- Conducting penetration testing on Sling deployments
Module 9: Dependency Management and OSGi Deep Dive - Understanding OSGi bundle lifecycle states
- Analysing service ranking and selection
- Resolving version conflicts in imported packages
- Using semantic versioning correctly in manifests
- Creating reusable service APIs across modules
- Dynamic service binding with Service Trackers
- Debugging “unresolved requirements” errors
- Monitoring bundle dependencies at runtime
- Minimising coupling between shared services
- Using Configuration Admin for environment-specific settings
- Externalising configurations using factory patterns
- Validating configuration integrity on startup
- Securing sensitive config values with encryption
- Automating config deployment via CI/CD
- Rolling back configurations during incidents
Module 10: Sling Provisioning and Deployment Automation - Creating repeatable provisioning models using Sling Provisioning Model
- Defining run modes and environment-specific configurations
- Bootstrapping instances with pre-configured content
- Using the Sling Initial Content mechanism
- Validating provisioning scripts before deployment
- Automating instance setup with Jenkins and GitHub Actions
- Managing feature toggles and rollout strategies
- Blue/green deployment patterns with Sling
- Zero-downtime upgrades and patching
- Using Sling Repoinit scripts for repository setup
- Orchestrating multi-instance deployments
- Integrating with Kubernetes and Helm
- Testing provisioning logic in isolation
- Documenting provisioning architecture for audits
- Enabling drift detection in managed environments
Module 11: Testing and Quality Assurance for Sling Systems - Unit testing Sling components with JUnit
- Using Sling Mocks for isolated testing
- Testing OSGi services without a container
- Validating resource resolution logic
- Mocking HTTP requests and responses
- Testing Sling Models with sample content
- Checking HTL template logic with test fixtures
- Automating integration tests with Pax Exam
- Running end-to-end scenarios in Docker
- Testing security constraints and access rules
- Validating event handling chains
- Load testing Sling APIs with Gatling
- Measuring code coverage with JaCoCo
- Setting quality gates in CI pipelines
- Generating test reports for compliance review
Module 12: Performance Optimisation and Scalability - Identifying performance bottlenecks in Sling flows
- Caching strategies: browser, dispatcher, server-side
- Using Sling Commons Metrics for instrumentation
- Monitoring request timing and GC impact
- Reducing object creation in high-traffic servlets
- Optimising JCR query performance
- Designing for horizontal scaling
- Session replication and stateless patterns
- Using CDN integration effectively
- Compressing responses and assets
- Analysing memory usage with heap dumps
- Tuning thread pools and dispatchers
- Using Sling Profiler for runtime analysis
- Reducing Sling slingauth layers for faster access
- Implementing health checks and readiness probes
Module 13: Integration with Enterprise Systems - Connecting Sling to LDAP and Active Directory
- Integrating with SAP, Salesforce, and ServiceNow
- Using Sling as a headless backend for React/Vue frontends
- Exposing GraphQL APIs via Sling
- Consuming external REST and SOAP services
- Implementing OAuth2 and OpenID Connect
- Synchronising with external DAM systems
- Processing inbound messages via JMS and AMQP
- Using Sling as an API gateway component
- Embedding analytics and telemetry collection
- Generating PDFs and documents from templates
- Integrating with search engines (Elasticsearch, Solr)
- Enabling full-text search over repository content
- Feeding data to BI and data warehousing tools
- Supporting offline-first content sync workflows
Module 14: Architecture Patterns and Anti-Patterns - Analysing monolithic vs modular Sling design
- Designing for separation of concerns
- Avoiding over-reliance on scripting
- Managing cross-cutting concerns with services
- Using resource super types effectively
- Preventing content model sprawl
- Designing maintainable dispatcher configurations
- Scaling beyond AEM-specific assumptions
- Building portable components across Sling distributions
- Managing configuration debt
- Decoupling frontend logic from backend services
- Documenting architectural decisions (ADR process)
- Planning for technical debt reduction sprints
- Enforcing modularity with build-time checks
- Creating onboarding guides for new developers
Module 15: Debugging and Troubleshooting in Production - Using Sling Log Tracer for real-time debugging
- Analysing stack traces from OSGi components
- Diagnosing bundle activation failures
- Inspecting service dependencies at runtime
- Using the Sling Web Console for diagnostics
- Interpreting error logs and access patterns
- Performing root cause analysis after outages
- Reproducing production issues locally
- Using remote debugging techniques safely
- Monitoring memory and CPU spikes
- Validating configuration changes before rollout
- Creating runbooks for common failures
- Setting up alerts for critical subsystems
- Using distributed tracing with OpenTelemetry
- Documenting incident response workflows
Module 16: Certification Preparation and Next Steps - Reviewing key concepts for mastery validation
- Completing the final integration challenge
- Submitting your implementation for technical review
- Preparing for the Certificate of Completion assessment
- Understanding evaluation criteria and rubric
- Addendum: Advanced Sling Use Cases (optional deep dive)
- Contributing to the Apache Sling community
- Authoring open-source extensions and tools
- Presenting your work in technical forums
- Updating your LinkedIn and resume with certification
- Accessing alumni resources and peer networks
- Continuing your growth with advanced architecture studies
- Using your Sling expertise in cloud-native environments
- Mentoring junior developers in Sling best practices
- Planning your next enterprise modernisation initiative
- Creating Sling Models with @Model annotation
- Injecting resources, request objects, and services
- Using @Inject and @Named for flexible dependency injection
- Adaptable patterns: Resource to POJO conversion
- Validating model data at runtime
- Handling optional and fallback values
- Extending models with inheritance and interfaces
- Using Sling Model Exporters for JSON output
- Customising serialisation with Exporter annotations
- Testing Sling Models outside the container
- Performance implications of model depth and recursion
- Lazy loading strategies for heavy models
- Using resource delegation in model design
- Securing sensitive data in model exports
- Documenting models for team handoff and reuse
Module 6: Scripting and Templating with Sightly/HTL - Authoring HTL templates with security in mind
- Accessing Sling Models from HTL
- Data flow from backend to frontend via HTL
- Using block statements: data-sly-test, data-sly-include
- Iterating over collections with data-sly-list
- Template reuse with data-sly-resource and modular includes
- Escaping and context-aware output encoding
- Defining template policies and configurations
- Debugging HTL rendering issues
- Integrating client libraries with templates
- Managing i18n and locale-specific content
- Conditional rendering based on user roles
- Performance optimisation for complex templates
- Enforcing coding standards with HTL linters
- Testing templates in isolation
Module 7: Sling Eventing and Asynchronous Processing - Using Sling Eventing API for inter-component communication
- Posting and consuming custom events
- Configuring synchronous vs asynchronous event queues
- Creating durable and transient event handlers
- Batch processing events for throughput optimisation
- Monitoring event queue health and backpressure
- Recovering from failed event processing
- Using Job Manager for long-running tasks
- Scheduling recurring background jobs
- Coordinating distributed events in clustered environments
- Integrating with external message brokers
- Implementing retry mechanisms with exponential backoff
- Logging and tracing event flows across systems
- Securing event payloads with encryption
- Using events for audit logging and compliance tracking
Module 8: Security Best Practices in Sling - Analysing default Sling security posture
- Hardening OSGi and JCR consoles
- Configuring authentication mechanisms: form, token, SSO
- Enabling HTTPS and TLS for all endpoints
- Setting up CORS policies securely
- Managing service users and system accounts
- Applying least privilege access to resources
- Using Content Access Gates for fine-grained control
- Preventing directory traversal and path tampering
- Sanitising user input in POST operations
- Implementing CSRF tokens and referer validation
- Scanning for known vulnerabilities in bundles
- Integrating with enterprise IAM systems
- Auditing security events and generating compliance reports
- Conducting penetration testing on Sling deployments
Module 9: Dependency Management and OSGi Deep Dive - Understanding OSGi bundle lifecycle states
- Analysing service ranking and selection
- Resolving version conflicts in imported packages
- Using semantic versioning correctly in manifests
- Creating reusable service APIs across modules
- Dynamic service binding with Service Trackers
- Debugging “unresolved requirements” errors
- Monitoring bundle dependencies at runtime
- Minimising coupling between shared services
- Using Configuration Admin for environment-specific settings
- Externalising configurations using factory patterns
- Validating configuration integrity on startup
- Securing sensitive config values with encryption
- Automating config deployment via CI/CD
- Rolling back configurations during incidents
Module 10: Sling Provisioning and Deployment Automation - Creating repeatable provisioning models using Sling Provisioning Model
- Defining run modes and environment-specific configurations
- Bootstrapping instances with pre-configured content
- Using the Sling Initial Content mechanism
- Validating provisioning scripts before deployment
- Automating instance setup with Jenkins and GitHub Actions
- Managing feature toggles and rollout strategies
- Blue/green deployment patterns with Sling
- Zero-downtime upgrades and patching
- Using Sling Repoinit scripts for repository setup
- Orchestrating multi-instance deployments
- Integrating with Kubernetes and Helm
- Testing provisioning logic in isolation
- Documenting provisioning architecture for audits
- Enabling drift detection in managed environments
Module 11: Testing and Quality Assurance for Sling Systems - Unit testing Sling components with JUnit
- Using Sling Mocks for isolated testing
- Testing OSGi services without a container
- Validating resource resolution logic
- Mocking HTTP requests and responses
- Testing Sling Models with sample content
- Checking HTL template logic with test fixtures
- Automating integration tests with Pax Exam
- Running end-to-end scenarios in Docker
- Testing security constraints and access rules
- Validating event handling chains
- Load testing Sling APIs with Gatling
- Measuring code coverage with JaCoCo
- Setting quality gates in CI pipelines
- Generating test reports for compliance review
Module 12: Performance Optimisation and Scalability - Identifying performance bottlenecks in Sling flows
- Caching strategies: browser, dispatcher, server-side
- Using Sling Commons Metrics for instrumentation
- Monitoring request timing and GC impact
- Reducing object creation in high-traffic servlets
- Optimising JCR query performance
- Designing for horizontal scaling
- Session replication and stateless patterns
- Using CDN integration effectively
- Compressing responses and assets
- Analysing memory usage with heap dumps
- Tuning thread pools and dispatchers
- Using Sling Profiler for runtime analysis
- Reducing Sling slingauth layers for faster access
- Implementing health checks and readiness probes
Module 13: Integration with Enterprise Systems - Connecting Sling to LDAP and Active Directory
- Integrating with SAP, Salesforce, and ServiceNow
- Using Sling as a headless backend for React/Vue frontends
- Exposing GraphQL APIs via Sling
- Consuming external REST and SOAP services
- Implementing OAuth2 and OpenID Connect
- Synchronising with external DAM systems
- Processing inbound messages via JMS and AMQP
- Using Sling as an API gateway component
- Embedding analytics and telemetry collection
- Generating PDFs and documents from templates
- Integrating with search engines (Elasticsearch, Solr)
- Enabling full-text search over repository content
- Feeding data to BI and data warehousing tools
- Supporting offline-first content sync workflows
Module 14: Architecture Patterns and Anti-Patterns - Analysing monolithic vs modular Sling design
- Designing for separation of concerns
- Avoiding over-reliance on scripting
- Managing cross-cutting concerns with services
- Using resource super types effectively
- Preventing content model sprawl
- Designing maintainable dispatcher configurations
- Scaling beyond AEM-specific assumptions
- Building portable components across Sling distributions
- Managing configuration debt
- Decoupling frontend logic from backend services
- Documenting architectural decisions (ADR process)
- Planning for technical debt reduction sprints
- Enforcing modularity with build-time checks
- Creating onboarding guides for new developers
Module 15: Debugging and Troubleshooting in Production - Using Sling Log Tracer for real-time debugging
- Analysing stack traces from OSGi components
- Diagnosing bundle activation failures
- Inspecting service dependencies at runtime
- Using the Sling Web Console for diagnostics
- Interpreting error logs and access patterns
- Performing root cause analysis after outages
- Reproducing production issues locally
- Using remote debugging techniques safely
- Monitoring memory and CPU spikes
- Validating configuration changes before rollout
- Creating runbooks for common failures
- Setting up alerts for critical subsystems
- Using distributed tracing with OpenTelemetry
- Documenting incident response workflows
Module 16: Certification Preparation and Next Steps - Reviewing key concepts for mastery validation
- Completing the final integration challenge
- Submitting your implementation for technical review
- Preparing for the Certificate of Completion assessment
- Understanding evaluation criteria and rubric
- Addendum: Advanced Sling Use Cases (optional deep dive)
- Contributing to the Apache Sling community
- Authoring open-source extensions and tools
- Presenting your work in technical forums
- Updating your LinkedIn and resume with certification
- Accessing alumni resources and peer networks
- Continuing your growth with advanced architecture studies
- Using your Sling expertise in cloud-native environments
- Mentoring junior developers in Sling best practices
- Planning your next enterprise modernisation initiative
- Using Sling Eventing API for inter-component communication
- Posting and consuming custom events
- Configuring synchronous vs asynchronous event queues
- Creating durable and transient event handlers
- Batch processing events for throughput optimisation
- Monitoring event queue health and backpressure
- Recovering from failed event processing
- Using Job Manager for long-running tasks
- Scheduling recurring background jobs
- Coordinating distributed events in clustered environments
- Integrating with external message brokers
- Implementing retry mechanisms with exponential backoff
- Logging and tracing event flows across systems
- Securing event payloads with encryption
- Using events for audit logging and compliance tracking
Module 8: Security Best Practices in Sling - Analysing default Sling security posture
- Hardening OSGi and JCR consoles
- Configuring authentication mechanisms: form, token, SSO
- Enabling HTTPS and TLS for all endpoints
- Setting up CORS policies securely
- Managing service users and system accounts
- Applying least privilege access to resources
- Using Content Access Gates for fine-grained control
- Preventing directory traversal and path tampering
- Sanitising user input in POST operations
- Implementing CSRF tokens and referer validation
- Scanning for known vulnerabilities in bundles
- Integrating with enterprise IAM systems
- Auditing security events and generating compliance reports
- Conducting penetration testing on Sling deployments
Module 9: Dependency Management and OSGi Deep Dive - Understanding OSGi bundle lifecycle states
- Analysing service ranking and selection
- Resolving version conflicts in imported packages
- Using semantic versioning correctly in manifests
- Creating reusable service APIs across modules
- Dynamic service binding with Service Trackers
- Debugging “unresolved requirements” errors
- Monitoring bundle dependencies at runtime
- Minimising coupling between shared services
- Using Configuration Admin for environment-specific settings
- Externalising configurations using factory patterns
- Validating configuration integrity on startup
- Securing sensitive config values with encryption
- Automating config deployment via CI/CD
- Rolling back configurations during incidents
Module 10: Sling Provisioning and Deployment Automation - Creating repeatable provisioning models using Sling Provisioning Model
- Defining run modes and environment-specific configurations
- Bootstrapping instances with pre-configured content
- Using the Sling Initial Content mechanism
- Validating provisioning scripts before deployment
- Automating instance setup with Jenkins and GitHub Actions
- Managing feature toggles and rollout strategies
- Blue/green deployment patterns with Sling
- Zero-downtime upgrades and patching
- Using Sling Repoinit scripts for repository setup
- Orchestrating multi-instance deployments
- Integrating with Kubernetes and Helm
- Testing provisioning logic in isolation
- Documenting provisioning architecture for audits
- Enabling drift detection in managed environments
Module 11: Testing and Quality Assurance for Sling Systems - Unit testing Sling components with JUnit
- Using Sling Mocks for isolated testing
- Testing OSGi services without a container
- Validating resource resolution logic
- Mocking HTTP requests and responses
- Testing Sling Models with sample content
- Checking HTL template logic with test fixtures
- Automating integration tests with Pax Exam
- Running end-to-end scenarios in Docker
- Testing security constraints and access rules
- Validating event handling chains
- Load testing Sling APIs with Gatling
- Measuring code coverage with JaCoCo
- Setting quality gates in CI pipelines
- Generating test reports for compliance review
Module 12: Performance Optimisation and Scalability - Identifying performance bottlenecks in Sling flows
- Caching strategies: browser, dispatcher, server-side
- Using Sling Commons Metrics for instrumentation
- Monitoring request timing and GC impact
- Reducing object creation in high-traffic servlets
- Optimising JCR query performance
- Designing for horizontal scaling
- Session replication and stateless patterns
- Using CDN integration effectively
- Compressing responses and assets
- Analysing memory usage with heap dumps
- Tuning thread pools and dispatchers
- Using Sling Profiler for runtime analysis
- Reducing Sling slingauth layers for faster access
- Implementing health checks and readiness probes
Module 13: Integration with Enterprise Systems - Connecting Sling to LDAP and Active Directory
- Integrating with SAP, Salesforce, and ServiceNow
- Using Sling as a headless backend for React/Vue frontends
- Exposing GraphQL APIs via Sling
- Consuming external REST and SOAP services
- Implementing OAuth2 and OpenID Connect
- Synchronising with external DAM systems
- Processing inbound messages via JMS and AMQP
- Using Sling as an API gateway component
- Embedding analytics and telemetry collection
- Generating PDFs and documents from templates
- Integrating with search engines (Elasticsearch, Solr)
- Enabling full-text search over repository content
- Feeding data to BI and data warehousing tools
- Supporting offline-first content sync workflows
Module 14: Architecture Patterns and Anti-Patterns - Analysing monolithic vs modular Sling design
- Designing for separation of concerns
- Avoiding over-reliance on scripting
- Managing cross-cutting concerns with services
- Using resource super types effectively
- Preventing content model sprawl
- Designing maintainable dispatcher configurations
- Scaling beyond AEM-specific assumptions
- Building portable components across Sling distributions
- Managing configuration debt
- Decoupling frontend logic from backend services
- Documenting architectural decisions (ADR process)
- Planning for technical debt reduction sprints
- Enforcing modularity with build-time checks
- Creating onboarding guides for new developers
Module 15: Debugging and Troubleshooting in Production - Using Sling Log Tracer for real-time debugging
- Analysing stack traces from OSGi components
- Diagnosing bundle activation failures
- Inspecting service dependencies at runtime
- Using the Sling Web Console for diagnostics
- Interpreting error logs and access patterns
- Performing root cause analysis after outages
- Reproducing production issues locally
- Using remote debugging techniques safely
- Monitoring memory and CPU spikes
- Validating configuration changes before rollout
- Creating runbooks for common failures
- Setting up alerts for critical subsystems
- Using distributed tracing with OpenTelemetry
- Documenting incident response workflows
Module 16: Certification Preparation and Next Steps - Reviewing key concepts for mastery validation
- Completing the final integration challenge
- Submitting your implementation for technical review
- Preparing for the Certificate of Completion assessment
- Understanding evaluation criteria and rubric
- Addendum: Advanced Sling Use Cases (optional deep dive)
- Contributing to the Apache Sling community
- Authoring open-source extensions and tools
- Presenting your work in technical forums
- Updating your LinkedIn and resume with certification
- Accessing alumni resources and peer networks
- Continuing your growth with advanced architecture studies
- Using your Sling expertise in cloud-native environments
- Mentoring junior developers in Sling best practices
- Planning your next enterprise modernisation initiative
- Understanding OSGi bundle lifecycle states
- Analysing service ranking and selection
- Resolving version conflicts in imported packages
- Using semantic versioning correctly in manifests
- Creating reusable service APIs across modules
- Dynamic service binding with Service Trackers
- Debugging “unresolved requirements” errors
- Monitoring bundle dependencies at runtime
- Minimising coupling between shared services
- Using Configuration Admin for environment-specific settings
- Externalising configurations using factory patterns
- Validating configuration integrity on startup
- Securing sensitive config values with encryption
- Automating config deployment via CI/CD
- Rolling back configurations during incidents
Module 10: Sling Provisioning and Deployment Automation - Creating repeatable provisioning models using Sling Provisioning Model
- Defining run modes and environment-specific configurations
- Bootstrapping instances with pre-configured content
- Using the Sling Initial Content mechanism
- Validating provisioning scripts before deployment
- Automating instance setup with Jenkins and GitHub Actions
- Managing feature toggles and rollout strategies
- Blue/green deployment patterns with Sling
- Zero-downtime upgrades and patching
- Using Sling Repoinit scripts for repository setup
- Orchestrating multi-instance deployments
- Integrating with Kubernetes and Helm
- Testing provisioning logic in isolation
- Documenting provisioning architecture for audits
- Enabling drift detection in managed environments
Module 11: Testing and Quality Assurance for Sling Systems - Unit testing Sling components with JUnit
- Using Sling Mocks for isolated testing
- Testing OSGi services without a container
- Validating resource resolution logic
- Mocking HTTP requests and responses
- Testing Sling Models with sample content
- Checking HTL template logic with test fixtures
- Automating integration tests with Pax Exam
- Running end-to-end scenarios in Docker
- Testing security constraints and access rules
- Validating event handling chains
- Load testing Sling APIs with Gatling
- Measuring code coverage with JaCoCo
- Setting quality gates in CI pipelines
- Generating test reports for compliance review
Module 12: Performance Optimisation and Scalability - Identifying performance bottlenecks in Sling flows
- Caching strategies: browser, dispatcher, server-side
- Using Sling Commons Metrics for instrumentation
- Monitoring request timing and GC impact
- Reducing object creation in high-traffic servlets
- Optimising JCR query performance
- Designing for horizontal scaling
- Session replication and stateless patterns
- Using CDN integration effectively
- Compressing responses and assets
- Analysing memory usage with heap dumps
- Tuning thread pools and dispatchers
- Using Sling Profiler for runtime analysis
- Reducing Sling slingauth layers for faster access
- Implementing health checks and readiness probes
Module 13: Integration with Enterprise Systems - Connecting Sling to LDAP and Active Directory
- Integrating with SAP, Salesforce, and ServiceNow
- Using Sling as a headless backend for React/Vue frontends
- Exposing GraphQL APIs via Sling
- Consuming external REST and SOAP services
- Implementing OAuth2 and OpenID Connect
- Synchronising with external DAM systems
- Processing inbound messages via JMS and AMQP
- Using Sling as an API gateway component
- Embedding analytics and telemetry collection
- Generating PDFs and documents from templates
- Integrating with search engines (Elasticsearch, Solr)
- Enabling full-text search over repository content
- Feeding data to BI and data warehousing tools
- Supporting offline-first content sync workflows
Module 14: Architecture Patterns and Anti-Patterns - Analysing monolithic vs modular Sling design
- Designing for separation of concerns
- Avoiding over-reliance on scripting
- Managing cross-cutting concerns with services
- Using resource super types effectively
- Preventing content model sprawl
- Designing maintainable dispatcher configurations
- Scaling beyond AEM-specific assumptions
- Building portable components across Sling distributions
- Managing configuration debt
- Decoupling frontend logic from backend services
- Documenting architectural decisions (ADR process)
- Planning for technical debt reduction sprints
- Enforcing modularity with build-time checks
- Creating onboarding guides for new developers
Module 15: Debugging and Troubleshooting in Production - Using Sling Log Tracer for real-time debugging
- Analysing stack traces from OSGi components
- Diagnosing bundle activation failures
- Inspecting service dependencies at runtime
- Using the Sling Web Console for diagnostics
- Interpreting error logs and access patterns
- Performing root cause analysis after outages
- Reproducing production issues locally
- Using remote debugging techniques safely
- Monitoring memory and CPU spikes
- Validating configuration changes before rollout
- Creating runbooks for common failures
- Setting up alerts for critical subsystems
- Using distributed tracing with OpenTelemetry
- Documenting incident response workflows
Module 16: Certification Preparation and Next Steps - Reviewing key concepts for mastery validation
- Completing the final integration challenge
- Submitting your implementation for technical review
- Preparing for the Certificate of Completion assessment
- Understanding evaluation criteria and rubric
- Addendum: Advanced Sling Use Cases (optional deep dive)
- Contributing to the Apache Sling community
- Authoring open-source extensions and tools
- Presenting your work in technical forums
- Updating your LinkedIn and resume with certification
- Accessing alumni resources and peer networks
- Continuing your growth with advanced architecture studies
- Using your Sling expertise in cloud-native environments
- Mentoring junior developers in Sling best practices
- Planning your next enterprise modernisation initiative
- Unit testing Sling components with JUnit
- Using Sling Mocks for isolated testing
- Testing OSGi services without a container
- Validating resource resolution logic
- Mocking HTTP requests and responses
- Testing Sling Models with sample content
- Checking HTL template logic with test fixtures
- Automating integration tests with Pax Exam
- Running end-to-end scenarios in Docker
- Testing security constraints and access rules
- Validating event handling chains
- Load testing Sling APIs with Gatling
- Measuring code coverage with JaCoCo
- Setting quality gates in CI pipelines
- Generating test reports for compliance review
Module 12: Performance Optimisation and Scalability - Identifying performance bottlenecks in Sling flows
- Caching strategies: browser, dispatcher, server-side
- Using Sling Commons Metrics for instrumentation
- Monitoring request timing and GC impact
- Reducing object creation in high-traffic servlets
- Optimising JCR query performance
- Designing for horizontal scaling
- Session replication and stateless patterns
- Using CDN integration effectively
- Compressing responses and assets
- Analysing memory usage with heap dumps
- Tuning thread pools and dispatchers
- Using Sling Profiler for runtime analysis
- Reducing Sling slingauth layers for faster access
- Implementing health checks and readiness probes
Module 13: Integration with Enterprise Systems - Connecting Sling to LDAP and Active Directory
- Integrating with SAP, Salesforce, and ServiceNow
- Using Sling as a headless backend for React/Vue frontends
- Exposing GraphQL APIs via Sling
- Consuming external REST and SOAP services
- Implementing OAuth2 and OpenID Connect
- Synchronising with external DAM systems
- Processing inbound messages via JMS and AMQP
- Using Sling as an API gateway component
- Embedding analytics and telemetry collection
- Generating PDFs and documents from templates
- Integrating with search engines (Elasticsearch, Solr)
- Enabling full-text search over repository content
- Feeding data to BI and data warehousing tools
- Supporting offline-first content sync workflows
Module 14: Architecture Patterns and Anti-Patterns - Analysing monolithic vs modular Sling design
- Designing for separation of concerns
- Avoiding over-reliance on scripting
- Managing cross-cutting concerns with services
- Using resource super types effectively
- Preventing content model sprawl
- Designing maintainable dispatcher configurations
- Scaling beyond AEM-specific assumptions
- Building portable components across Sling distributions
- Managing configuration debt
- Decoupling frontend logic from backend services
- Documenting architectural decisions (ADR process)
- Planning for technical debt reduction sprints
- Enforcing modularity with build-time checks
- Creating onboarding guides for new developers
Module 15: Debugging and Troubleshooting in Production - Using Sling Log Tracer for real-time debugging
- Analysing stack traces from OSGi components
- Diagnosing bundle activation failures
- Inspecting service dependencies at runtime
- Using the Sling Web Console for diagnostics
- Interpreting error logs and access patterns
- Performing root cause analysis after outages
- Reproducing production issues locally
- Using remote debugging techniques safely
- Monitoring memory and CPU spikes
- Validating configuration changes before rollout
- Creating runbooks for common failures
- Setting up alerts for critical subsystems
- Using distributed tracing with OpenTelemetry
- Documenting incident response workflows
Module 16: Certification Preparation and Next Steps - Reviewing key concepts for mastery validation
- Completing the final integration challenge
- Submitting your implementation for technical review
- Preparing for the Certificate of Completion assessment
- Understanding evaluation criteria and rubric
- Addendum: Advanced Sling Use Cases (optional deep dive)
- Contributing to the Apache Sling community
- Authoring open-source extensions and tools
- Presenting your work in technical forums
- Updating your LinkedIn and resume with certification
- Accessing alumni resources and peer networks
- Continuing your growth with advanced architecture studies
- Using your Sling expertise in cloud-native environments
- Mentoring junior developers in Sling best practices
- Planning your next enterprise modernisation initiative
- Connecting Sling to LDAP and Active Directory
- Integrating with SAP, Salesforce, and ServiceNow
- Using Sling as a headless backend for React/Vue frontends
- Exposing GraphQL APIs via Sling
- Consuming external REST and SOAP services
- Implementing OAuth2 and OpenID Connect
- Synchronising with external DAM systems
- Processing inbound messages via JMS and AMQP
- Using Sling as an API gateway component
- Embedding analytics and telemetry collection
- Generating PDFs and documents from templates
- Integrating with search engines (Elasticsearch, Solr)
- Enabling full-text search over repository content
- Feeding data to BI and data warehousing tools
- Supporting offline-first content sync workflows
Module 14: Architecture Patterns and Anti-Patterns - Analysing monolithic vs modular Sling design
- Designing for separation of concerns
- Avoiding over-reliance on scripting
- Managing cross-cutting concerns with services
- Using resource super types effectively
- Preventing content model sprawl
- Designing maintainable dispatcher configurations
- Scaling beyond AEM-specific assumptions
- Building portable components across Sling distributions
- Managing configuration debt
- Decoupling frontend logic from backend services
- Documenting architectural decisions (ADR process)
- Planning for technical debt reduction sprints
- Enforcing modularity with build-time checks
- Creating onboarding guides for new developers
Module 15: Debugging and Troubleshooting in Production - Using Sling Log Tracer for real-time debugging
- Analysing stack traces from OSGi components
- Diagnosing bundle activation failures
- Inspecting service dependencies at runtime
- Using the Sling Web Console for diagnostics
- Interpreting error logs and access patterns
- Performing root cause analysis after outages
- Reproducing production issues locally
- Using remote debugging techniques safely
- Monitoring memory and CPU spikes
- Validating configuration changes before rollout
- Creating runbooks for common failures
- Setting up alerts for critical subsystems
- Using distributed tracing with OpenTelemetry
- Documenting incident response workflows
Module 16: Certification Preparation and Next Steps - Reviewing key concepts for mastery validation
- Completing the final integration challenge
- Submitting your implementation for technical review
- Preparing for the Certificate of Completion assessment
- Understanding evaluation criteria and rubric
- Addendum: Advanced Sling Use Cases (optional deep dive)
- Contributing to the Apache Sling community
- Authoring open-source extensions and tools
- Presenting your work in technical forums
- Updating your LinkedIn and resume with certification
- Accessing alumni resources and peer networks
- Continuing your growth with advanced architecture studies
- Using your Sling expertise in cloud-native environments
- Mentoring junior developers in Sling best practices
- Planning your next enterprise modernisation initiative
- Using Sling Log Tracer for real-time debugging
- Analysing stack traces from OSGi components
- Diagnosing bundle activation failures
- Inspecting service dependencies at runtime
- Using the Sling Web Console for diagnostics
- Interpreting error logs and access patterns
- Performing root cause analysis after outages
- Reproducing production issues locally
- Using remote debugging techniques safely
- Monitoring memory and CPU spikes
- Validating configuration changes before rollout
- Creating runbooks for common failures
- Setting up alerts for critical subsystems
- Using distributed tracing with OpenTelemetry
- Documenting incident response workflows