maven-publish.yml

# This workflow will build a package using Maven and then publish it to GitHub packages when a release is created
# For more information see: https://github.com/actions/setup-java#apache-maven-with-a-settings-path

name: Maven Build and Deploy

on:
  push: 
    branches:
      - master
    # Sequence of patterns matched against refs/tags
    tags:
      - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
  #release:
  #  types: [created]

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Setup default environment
        run: |
          echo "MVN_ARGS=-Prelease,deploy -DskipTests=true" >> $GITHUB_ENV
      - name: Setup staging environment
        if: endsWith(github.ref, '/master')
        run: |
          echo "MVN_ARGS=-Pdev,release,deploy -DskipTests=true" >> $GITHUB_ENV
      - uses: actions/checkout@v2
      - name: Set up JDK 11
        uses: actions/setup-java@v1
        with:
          java-version: 11
          server-id: github # Value of the distributionManagement/repository/id field of the pom.xml
          settings-path: ${{ github.workspace }}/.github/maven # location for the settings.xml file

      - name: Build with Maven
        run: mvn ${MVN_ARGS} -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: ossrh # Value of the distributionManagement/repository/id field of the pom.xml
          server-username: MAVEN_CENTRAL_USERNAME # env variable for username in deploy
          server-password: MAVEN_CENTRAL_TOKEN # env variable for token in deploy
          gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }} # Value of the GPG private key to import
          gpg-passphrase: MAVEN_GPG_PASSPHRASE # env variable for GPG private key passphrase

      - name: Publish to Apache Maven Central
        run: mvn ${MVN_ARGS} deploy -B
        env:
          MAVEN_CENTRAL_USERNAME: ${{ secrets.MAVEN_CENTRAL_USERNAME }}
          MAVEN_CENTRAL_TOKEN: ${{ secrets.MAVEN_CENTRAL_TOKEN }}
          MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}