Here’s a step-by-step guide on how to build a Java container utilizing a Paketo Buildpack

First, make sure Docker is up and running. If you don’t have it, follow these instructions to install Docker Desktop for your system.

Install the Paketo Buildpacks CLI, also known as pack. You can download and install it from the Paketo Buildpacks GitHub releases page.

Create a new Java project or use an existing one. For this example, let’s create a new Java project with a single class named HelloWorld.java that prints “Hello, world!” to the console.

Create a new file named buildpack.toml at the root of the project directory. This file will specify which buildpacks to use and how to configure them. Here’s an example buildpack.toml file for a Java project: