release.yml

name: Release

on:
  release:
    types: [ published ]

jobs:
  release:
    name: Release on Sonatype OSS
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2

      - name: Set up JDK 11
        uses: actions/setup-java@v1
        with:
          java-version: 11

      - name: Build with Maven
        run: mvn -B package --file pom.xml

      - name: Set up Apache Maven Central
        uses: actions/setup-java@v1
        with: # running setup-java again overwrites the settings.xml
          java-version: 11
          server-id: release_artifacts
          server-username: OSSRH_USERNAME
          server-password: OSSRH_PASSWORD
          gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }}
          gpg-passphrase: MAVEN_GPG_PASSPHRASE

      - name: Publish to Apache Maven Central
        run: mvn -Prelease deploy
        env:
          OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
          OSSRH_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
          MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}