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Dockerize a Java application

Last modified: 11 October 2024

You can use Docker to pack your compiled Java application into an image along with a specific runtime environment and any other necessary dependencies. You can then run a container from that image to see how the application will run in this environment. This is called dockerizing an application.

This tutorial describes how to create a Dockerfile to build a Docker image with OpenJDK 17 and a compiled Java application. It also shows how to share this image with others and run a Docker container from it.

You can share the image with others, for example, to demonstrate exactly how your application is expected to run, without the need to install the necessary runtime (only Docker is required).