All Tutorials

Access Token and OAuth2 Pattern – Securing Java APIs

Learn how the Access Token and OAuth2 Pattern secures Java APIs. Explore real-world use cases, code examples, and best practices in Spring Boot

AuthorizationJavaOAuth2Secure APIsJava APIsAuthenticationJWTAccess TokenJava Design PatternsSpring SecurityMicroservices

Distributed Tracing Pattern in Spring Boot – Monitor End-to-End Flows

Learn how the Distributed Tracing Pattern helps track requests across services in Spring Boot apps. Master tracing with Sleuth, Zipkin, and more

JavaDesign PatternsTracing ToolsSpring BootObservabilityMicroservicesSleuthCorrelation IDDistributed TracingZipkin

Health Check and Self-Healing Patterns in Java Microservices – Ensure Availability and Resilience

Learn how to implement Health Check and Self-Healing Patterns in Java microservices for fault detection, resilience, and automatic recovery

JavaSelf HealingHealth CheckDesign PatternsSpring BootService ResilienceAuto RecoveryMicroservicesKubernetesActuator

Logging and Correlation ID Patterns in Java – Trace Requests Across Microservices

Learn how to implement Logging and Correlation ID patterns in Java to trace requests across microservices. Includes code, best practices, and pitfalls to avoid.

LoggingJavaSpring BootMDCELK StackMicroservicesSLF4JRequest TracingCorrelation IDSleuthDistributed TracingZipkin

Event Sourcing Pattern in Java – Immutable State Management with Events

Learn the Event Sourcing pattern in Java. Manage application state through immutable events. Covers code examples, best practices, and real-world use cases

Axon FrameworkCQRSJavaEvent SourcingDesign PatternsDDDImmutable StateSpring BootMicroservicesEvent Store

CQRS Pattern in Java – Separate Read and Write Models for Scalable Applications

Learn the CQRS pattern in Java. Separate read and write operations to scale microservices, improve performance, and simplify complex business logic

CQRSJavaCommand Query Responsibility SegregationEvent SourcingDesign PatternsDDDJava ArchitectureAxonSpring BootMicroservices

Saga Pattern in Java – Managing Distributed Transactions in Microservices

Learn the Saga Pattern in Java for handling distributed transactions across microservices. Explore orchestration, choreography, real-world use cases, and code

CQRSJavaEvent Driven ArchitectureDistributed TransactionsKafkaTransaction ManagementSaga PatternSpring BootMicroservicesResilience

Database per Service Pattern in Java – Data Isolation for Scalable Microservices

Learn the Database per Service pattern in Java. Achieve data isolation and scalability in microservices with examples, pros/cons, anti-patterns, and best practices

JavaData IsolationDesign PatternsDatabase Per ServicePostgreSQLService AutonomySpring BootAPI CompositionDistributed SystemsMicroservices

Failover and Fallback Patterns in Java – Handle Downtime Gracefully

Learn how to implement Failover and Fallback Patterns in Java microservices to handle downtime, improve resilience, and keep services responsive

JavaHigh AvailabilityResilience4jDesign PatternsSpring BootDistributed SystemsFailover PatternFallback PatternMicroservicesFault Tolerance

Bulkhead Pattern in Java – Isolate Failures and Build Resilient Services

Learn how the Bulkhead Pattern in Java helps isolate failures and protect microservices. Includes real-world examples, code, and best practices

JavaBulkhead PatternFault IsolationResilience4jDesign PatternsThread Pool IsolationSpring BootService ResilienceDistributed SystemsJava ConcurrencyMicroservices