pull_request.yaml

name: Pull Request

on:
  pull_request:
    branches:
      - main
      
jobs:
  build:
    runs-on: ubuntu-latest 
    name: Build
    if: "! contains(toJSON(github.event.commits.*.message), '[skip-ci]')"    
    steps:
    - name: Check out code
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Generate Tag
      id: generate_tag
      run: |
        sha=${{ github.event.pull_request.head.sha }}
        tag="SNAPSHOT-PR-${{ github.event.pull_request.number }}-${sha:0:8}"
        echo "##[set-output name=GIT_TAG;]$(echo ${tag})"

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v1

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3

    - name: Login to Registry
      uses: docker/login-action@v1
      with:
        username: ${{ secrets.STAKATER_DOCKERHUB_USERNAME }}
        password: ${{ secrets.STAKATER_DOCKERHUB_PASSWORD }}

    - name: Generate image repository path
      run: |
        echo IMAGE_REPOSITORY=$(echo ${{ github.repository }} | sed -e 's/stakater-docker/stakater/g' | tr '[:upper:]' '[:lower:]') >> $GITHUB_ENV

    - name: Build and push
      uses: docker/build-push-action@v5
      with:
        context: .
        file: ${{ env.DOCKER_FILE_PATH  }}
        pull: true
        push: true
        build-args: BUILD_PARAMETERS=${{ env.BUILD_PARAMETERS }}
        cache-to: type=inline
        tags: |
          ${{ env.IMAGE_REPOSITORY }}:${{ steps.generate_tag.outputs.GIT_TAG }}
        labels: |
          org.opencontainers.image.source=${{ github.event.repository.clone_url }}
          org.opencontainers.image.created=${{ steps.prep.outputs.created }}
          org.opencontainers.image.revision=${{ github.sha }}  

    - name: Comment on PR
      uses: mshick/add-pr-comment@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        message: '@${{ github.actor }} Image is available for testing. `docker pull ${{ env.IMAGE_REPOSITORY }}:${{ steps.generate_tag.outputs.GIT_TAG }}`'
        allow-repeats: false

    - name: Notify Failure
      if: failure()
      uses: mshick/add-pr-comment@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        message: '@${{ github.actor }} Yikes! You better fix it before anyone else finds out! [Build](https://github.com/${{ github.repository }}/commit/${{ github.event.pull_request.head.sha }}/checks) has Failed!'
        allow-repeats: false

    - name: Notify Slack
      uses: 8398a7/action-slack@v3
      if: always() # Pick up events even if the job fails or is canceled.
      with:
        status: ${{ job.status }}
        fields: repo,author,action,eventName,ref,workflow
      env:
        GITHUB_TOKEN: ${{ secrets.STAKATER_GITHUB_TOKEN }}
        SLACK_WEBHOOK_URL: ${{ secrets.STAKATER_DELIVERY_SLACK_WEBHOOK }}