release.yml

name: Release Java SDK to Maven Central

on:
  pull_request:
    branches: ['main']

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Check out code
        uses: actions/checkout@v3

      - name: Set up JDK 11
        uses: actions/setup-java@v3
        with:
          java-version: '11'
          distribution: 'temurin'
          cache: 'maven'

      # This step creates the Maven settings.xml with the server credentials
      - name: Setup Maven settings
        run: |
          mkdir -p ~/.m2
          echo '<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
                                https://maven.apache.org/xsd/settings-1.0.0.xsd">
            <servers>
              <server>
                <id>ossrh</id>
                <username>${{ secrets.MAVEN_USERNAME }}</username>
                <password>${{ secrets.MAVEN_PASSWORD }}</password>
              </server>
            </servers>
          </settings>' > ~/.m2/settings.xml

      - name: Import GPG Key
        uses: crazy-max/ghaction-import-gpg@v4
        with:
          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
          passphrase: ${{ secrets.GPG_PASSPHRASE }}
          delete_private_key: true

      - name: Deploy to Maven Central
        run: mvn clean deploy -P release
        env:
          MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
          MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}
          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}