name: Build, Tag, and Release

on:
  workflow_dispatch
  
jobs:
  build:
    runs-on: ubuntu-latest
    
    steps:
      - name: Grep the Short SHA
        uses: benjlevesque/short-sha@v2.2
        id: short-sha
        with:
          length: 6
          
      - name: Checkout
        uses: actions/checkout@v2

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

      - name: Lint Dockerfile
        uses: hadolint/hadolint-action@v3.1.0
        with:
          dockerfile: Dockerfile
          failure-threshold: error
  
      - name: Build Docker Image
        uses: docker/build-push-action@v2
        with:
          context: .
          file: Dockerfile
          tags: "pullpal:${{ steps.short-sha.outputs.sha }}"
          push: false
          load: true

      - name: Smoke Test Container
        run: docker run -d --name pullpal pullpal:${{ steps.short-sha.outputs.sha }}
          
      - name: Dump and Deflate Container
        run: |
          docker save pullpal:${{ steps.short-sha.outputs.sha }} \
          | gzip -9kv > pullpalcontainer-${{ steps.short-sha.outputs.sha }}.tar.gz
   
      - name: Create Release 
        id: create_release
        uses: softprops/action-gh-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: "pullpal-${{ steps.short-sha.outputs.sha }}"
          body: "A digital assistant that writes code and collaborates with humans on git repositories!"
          files: pullpalcontainer-${{ steps.short-sha.outputs.sha }}.tar.gz