Spring Boot 3.0 API deployment using Jenkins pipeline and Docker

In this story, we’ll explain step by step how to deploy a Spring boot application using Jenkins pipeline and Docker.

· Prerequisites
· Spring boot application setup
∘ Project Structure
∘ Containerize application
· Github
· Configure Jenkins
· Build Jenkins pipeline job
· Conclusion
· References

Prerequisites

This is the list of all the prerequisites for following this story:

• Spring Boot 3
• Maven 3.6.+
• Java 17
• A GitHub repository
• Git
• Jenkins instance installed
• Docker installed
• Docker compose installed
• PostgreSQL
• Postman / insomnia or any other API testing tool (optional)

Spring boot application setup

Suppose we already have a simple Spring Boot Rest API that exposes book endpoints. The application is connected to the PostgreSQL database.