Migrating from Spring Boot 1.5 to 2.0

Accompanying demonstration project for Migrating to Spring Boot 2 and Webflux meetup talk.

Compare tags 1.5.x, 2.0.x and 2.0.x-webflux to see the changes.

Technology

Production Code

• Language: Java
• Application Server (Servlet Container): Apache Tomcat
• Application and Web Framework: Spring Boot
• Code Generation: Project Lombok

Test Code

• Spring Boot Test
• Rest Assured

Tooling

• Build: Gradle
• Code Formatting: Spotless with Google Style Guide
• Containerization: Docker

Build, Run and Test

The recommended gradle wrapper is used to build the application and is included in the source code.

Build

• With Gradle: ./gradlew build
• With Docker: sudo docker build -t trevorgowing/spring-boot-demo:X.X.X .
• With Docker Compose: sudo docker-compose build spring-boot-demo

Run

• With Gradle: ./gradlew bootrun (will build if not already built)
• With Docker: sudo docker run trevorgowing/spring-boot-demo:X.X.X (needs to be built explicitly)
• With Docker Compose: sudo docker-compose --build up
• With Bash Script: ./start.sh (runs docker-compose internally)

Test

• With Gradle: ./gradlew test

License

MIT License