Advanced Spring Boot Training in Copenhagen, Denmark

This advanced course is designed for developers already familiar with Spring Boot basics. Over two days, it dives deep into building scalable, secure, and high-performing applications using advanced Spring Boot features such as custom configuration, security, data access, testing, and microservice patterns. The course emphasizes best practices, architecture, and real-world use cases.

ADVANCED CONFIGURATION, SECURITY, AND DATA ACCESS

Advanced Spring Boot Configuration

  Externalized configuration and application.yml profiles

  Using property placeholders and conditional configuration

  Customizing starter dependencies and auto-configuration

Security in Spring Boot

  Introduction to Spring Security architecture

  Implementing JWT-based authentication and authorization

  Securing REST endpoints and role-based access control

  Password encoding and CSRF considerations

Advanced JPA and Data Access

  Custom queries with JPQL, Criteria API, and native SQL

  Using projections, DTOs, and QueryDSL

  Lazy vs. eager loading and performance optimization

TESTING, MICROSERVICE DESIGN, AND BEST PRACTICES

Testing in Spring Boot

  Unit testing with JUnit and Mockito

  Integration testing with Spring Test and TestContainers

  Testing REST endpoints with MockMvc and WebTestClient

Microservices Architecture with Spring Boot

  Building modular services and shared libraries

  Service registration and discovery (overview with Spring Cloud)

  Resilience patterns: circuit breaker, retry (intro with Resilience4j)

Advanced Application Design and Patterns

  Clean architecture and layered service design

  Logging, tracing, and monitoring with Actuator and Micrometer

  Configuration best practices for production environments

Hands-On Exercises