Zero-Dockerfile Spring Boot Containerization Using Jib

In this story, we’ll explore how Jib works, why it’s different from traditional Docker builds, and how to use it to containerize a Spring Boot application without a Dockerfile.

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· Prerequisites
· Overview
∘ What is Jib?
∘ How Jib Works
∘ The Benefits of Jib
· Containerizing a Spring Boot App with Jib and Maven
∘ Add the Jib Plugin
∘ Build the Container Image
· Advanced Configuration
· Conclusion
· References

Prerequisites

This is the list of all the prerequisites:

• Spring Boot 3
• Maven 3.6.3 or later
• Java 21
• IntelliJ IDEA, Visual Studio Code, or another IDE

Overview

What is Jib?

Jib is an open-source tool developed by Google that builds optimised container images for Java applications. Its key features include:

• No Dockerfile needed