Spring Data JPA: Repository Patterns, Derived Queries, Pagination
Master Spring Data JPA repository abstraction, derived query method naming, custom @Query JPQL, pagination, and transaction handling.
Posts tagged with #spring-boot
Spring Core: IoC, DI, Bean Lifecycle, ApplicationContext
Master Spring Framework core concepts: Inversion of Control, Dependency Injection patterns, Bean lifecycle phases, and ApplicationContext variants.
Spring Initializr: Project Bootstrap in Seconds
Learn how Spring Initializr generates ready-to-run Spring Boot projects with dependencies, build tools, and configuration in seconds.
Spring Security Form-Based & HTTP Basic Authentication
Learn how to implement form-based login and HTTP Basic authentication in Spring Security, with configuration examples, security hardening, and failure scenarios.
Spring Security Fundamentals: Auth, Authz, and Filter Chains
Learn Spring Security core concepts: authentication, authorization, and the filter chain with practical examples.
Spring Security Method-Level Security Annotations
Secure Spring Boot methods with @PreAuthorize, @Secured, @RolesAllowed annotations and SpEL expressions for fine-grained access control.
Spring Security OAuth2 Resource Server: JWT and Stateless Sessions
Learn how to implement OAuth2 resource server with JWT validation and stateless sessions in Spring Security, including failure scenarios, security considerations, and practical code examples.
Spring WebFlux & Reactive: Mono, Flux & WebClient
Learn Spring WebFlux reactive programming: Master Mono and Flux from Project Reactor, build non-blocking controllers, and use WebClient for async HTTP calls.
Testcontainers for Real Database Integration Tests
Run integration tests with real PostgreSQL, MySQL, Redis, and Kafka services using Testcontainers. Learn setup, networking, CI configuration, and cleanup.
What is Spring Boot? AutoConfig, Starters & Embedded Servers
Understand Spring Boot fundamentals: how auto-configuration works, using starter POMs, deploying with embedded servers, and production-ready features.