Learn SPRING-BOOT with Real Code Examples

REST API for e-commerce

User authentication and authorization service

Microservices backend with Eureka and Ribbon

Data processing service with Spring Batch

Monitoring and logging service with Actuator

Ensure compatible JDK and Spring Boot version

Check dependency conflicts in Maven/Gradle

Verify annotations (`@RestController`, `@Service`, `@Repository`)

Monitor logs for startup errors

Validate database connectivity

Use JUnit and Mockito for unit testing

Spring Boot Test for integration testing

Test REST endpoints with Postman

Use Testcontainers for database tests

Automate tests in CI/CD pipelines

Standalone JAR deployment with embedded server

Cloud platforms: AWS, Azure, GCP

Docker containerization

Kubernetes for microservices

CI/CD pipelines for automated deployment

Spring Initializr

Maven/Gradle build tools

Spring Boot CLI

Actuator for monitoring

Spring Boot DevTools for development

Databases: MySQL, PostgreSQL, MongoDB

Messaging: Kafka, RabbitMQ

Caching: Redis, Ehcache

Spring Security for authentication

Frontend frameworks: Angular, React, Vue

Use Spring Boot starters to simplify dependencies

Leverage auto-configuration to reduce boilerplate

Use embedded servers for quick testing

Automate tests and deployments

Monitor metrics and logs proactively

Mastering Spring Boot auto-configuration

Managing dependency injection and bean scopes

Optimizing startup time and memory usage

Implementing scalable microservices architecture

Securing APIs and enterprise applications