Helloworld in Java

This repository shows how to configure GitHub Actions, JReleaser, and JReleaser SLSA builder to:

• compile a helloworld app

• assemble a zip distributions with JReleaser, including SBOM and SWID tag

• create rolling early-access releases with JReleaser on every push to main branch

• generate SLSA attestation upon release

❗	JReleaser requires 2 additional inputs that may be set as environment variables, JRELEASER_PROJECT_VERSION and JRELEASER_GITHUB_TOKEN. More information about environment variable configuration may be found in the guide.

Requirements

• Java 11 or greater.

• JReleaser 1.17.0 or greater.

We recommend SDKMan to install these requirements.

Build

Use the provided Maven wrapper script to build the project:

$ ./mvnw verify

Next, assemble the Zip distribution by invoking

$ jreleaser assemble

You may perform a release by invoking

$ jreleaser release

ℹ️	SLSA attestation can only be generated when running on GitHub Actions.