maven-publish.yml

name: Maven Package

on:
  release:
    types: [created]

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2
    - name: Set up JDK 1.11
      uses: actions/setup-java@v1
      with:
        java-version: 1.11
        server-id: github # Value of the distributionManagement/repository/id field of the pom.xml
        settings-path: ${{ github.workspace }} # location for the settings.xml file

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

    - name: Upload Release Asset
      id: upload-release-asset
      uses: actions/upload-release-asset@v1
      with: 
        upload_url:  ${{ github.event.release.upload_url }} # how come I found this on the second page of bing results in some guys blog instead of in the documentation, or am I just not looking in the right spots. https://itnext.io/getting-started-with-github-actions-fe94167dbc6d?gi=a7321180760b 
        asset_path:  target/${{ github.event.repository.name }}.jar
        asset_name:  ${{ github.event.repository.name }}.jar
        asset_content_type: application/java-archive
      env:
        GITHUB_TOKEN: ${{ github.token }}