release.yml

name: Publish to Maven Central

on:
  release:
    types: [published]

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2

      - name: Set up JDK 17
        uses: actions/setup-java@v1
        with:
          java-version: 17

      - name: Cache local Maven repository
        uses: actions/cache@v2
        with:
          path: ~/.m2/repository
          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
          restore-keys: |
            ${{ runner.os }}-maven-
      - id: install-secret-key
        name: Install gpg secret key
        run: |
          cat <(echo -e "${{ secrets.GPG_PRIVATE_KEY }}") | gpg --batch --import
      - name: Deploy
        run: |
          mvn -P gpg_verify \
            --no-transfer-progress \
            --batch-mode -Dgpg.passphrase=${{ secrets.GPG_PASSPHRASE }} \
            --file pom.xml -s release/m2-settings.xml verify deploy
        env:
          OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
          OSSRH_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}