Spring

How to apply the API-first approach with Spring Boot 4 and OpenAPI Generator.

Read more: API-first with Spring Boot 4 and OpenAPI Generator

Spring Boot startup 80% faster with zero code.

Read more: Project Leyden: speed up Spring Boot startup times with zero effort

Automatic Context Propagation with the spring-webflux-mdc library..

Read more: Automatic MDC logs in Spring WebFlux with spring-webflux-mdc

Implementing webhooks with Spring Boot: a practical guide with client and server example.

Read more: Webhook with Spring Boot

Example of versioning with OpenAPI and Spring Boot.

Read more: REST API Versioning: by URL vs. Content Negotiation

A complete guide to implementing parallel partitioned batch jobs with Spring Batch.

Read more: Partitioned Steps with Spring Batch

Learn how to integrate Spring Cloud AWS with LocalStack to emulate AWS services like SQS, DynamoDB, and Parameter Store, enabling fast and cost-effective local development and testing.

Read more: How to Use Spring Cloud AWS with LocalStack: Build and Test AWS Applications Locally

Example of Kafka producer and consumer (also Reactive) with Spring Cloud Stream. Error handling with retry and DLQ.

Read more: Broker agnostic with Spring Cloud Stream

Migrating a classic Spring Boot app to a GraalVM native image. My experience.

Read more: Spring Boot vs Spring Boot with GraalVM: Performance testing and considerations

Let's challenge these two approaches with load tests!

Read more: Virtual Threads vs WebFlux: who wins?

Centralized security with Spring, example of OAuth2 Client and Resource Server and session management with Hazelcast.

Read more: OpenID Connect, OAuth2 and authorization code with Spring Cloud Gateway and WSO2 Identity Server

How to integrate JWT access token and refresh token with Spring Security.

Read more: Securing your REST APIs with Spring Security and JWT

Testing DynamoDB with a LocalStack container shared between test classes.

Read more: Integration tests for DynamoDB with Spring Boot, Testcontainers, and Localstack

Centralized Retry configuration with Policy on HTTP statuses in response.

Read more: Retryable RestTemplate with RetryTemplate and centralized retry configuration

WebFlux with functional (RouterFunction) and traditional (annotation based) endpoints.

Read more: Web Service REST with Spring WebFlux and Reactive Mongo

How to declare a bean, types and DI considerations.

Read more: Introduction to Spring and Dependency Injection

Let's see how to implement a level 3 Restful Web Service of the Richardson Maturity Model.

Read more: Level 3 REST services and paging with Spring HATEOAS

Let's see how to monitor a Spring Boot app in a simple way.

Read more: Spring Monitoring with Spring Actuator and Spring Boot Admin

Example of integration test with Spring Boot, JUnit 5 and H2 as in-memory database.

Read more: Integration Test with TDD, Spring Boot, JUnit 5 and H2

Example of unit test with JUnit 5 and Mockito using test drive development.

Read more: TDD and Unit Test with JUnit 5 and Mockito

How to manage easily a Spring Batch app on several nodes with the Shedlock library.

Read more: Manage multiple instances of Spring Batch with Shedlock

An easy and fast way for develop an entry level backend.

Read more: REST Web Service + CRUD in 5 minutes with Spring Boot and Spring Data REST