buildah-build/.github/workflows/example.yml

# This example workflow will build container image
# of the application using buildah and push the 
# image to quay.io (Image registry)

name: Build and Push
on: [push, pull_request]

jobs:
  build:
    name: Build image using Buildah
    runs-on: ubuntu-latest

    # Checkout spring-petclinic repository to perform test
    steps:
    - name: Checkout
      uses: actions/checkout@v2
      with:
        repository: 'spring-projects/spring-petclinic'

    # Setup java
    - name: Setup Java
      uses: actions/setup-java@v1
      with:
        java-version: 11

    # Run maven action to build the project
    - name: Maven
      run: mvn package

    # Build image using Buildah action
    - name: Build Action
      uses: redhat-actions/buildah-action@main
      with:
        image: spring-petclinic
        tag: v1
        content: |
          target/spring-petclinic-2.3.0.BUILD-SNAPSHOT.jar
        entrypoint: |
          java
          -jar
          spring-petclinic-2.3.0.BUILD-SNAPSHOT.jar
        port: 8080
    
    # Check if image is build
    - name: Check images created
      run: buildah images | grep 'spring-petclinic'

    # Push Image to Quay registry
    - name: Push To Quay Action
      uses: redhat-actions/push-to-registry@v1
      with:
        image: 'spring-petclinic'
        tag: 'v1'
        registry: ${{ secrets.QUAY_REPO }}
        username: ${{ secrets.QUAY_USERNAME }}
        password: ${{ secrets.QUAY_PASSWORD }}