docker-push.yml

name: Docker Build/Publish Image
on:
  push:
    branches: [ main ]
jobs:
  build:
    runs-on: ubuntu-latest
    env:
      DOCKER_IMAGE: ryanconnell/concert-watcher
      DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
      DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
      DOCKER_TARGET_PLATFORM: linux/arm/v7

    steps:
    - name: Checkout the code
      uses: actions/checkout@v4

    - name: Set up Docker Buildx
      uses: crazy-max/ghaction-docker-buildx@v1
      with:
        version: latest

    - name: Prepare
      if: success()
      id: prepare
      run: |
        echo ::set-output name=docker_platform::${DOCKER_TARGET_PLATFORM}
        echo ::set-output name=docker_image::${DOCKER_IMAGE}
        echo ::set-output name=version::${GITHUB_RUN_NUMBER}

    - name: Docker Login
      uses: docker/login-action@3d58c274f17dffee475a5520cbe67f0a882c4dbb
      with:
        username: ${{ secrets.DOCKER_USERNAME }}
        password: ${{ secrets.DOCKER_PASSWORD }}

    - name: Run Buildx (push image)
      if: success()
      run: |
        docker buildx build \
        --platform ${{ steps.prepare.outputs.docker_platform }} \
        --platform linux/amd64 \
        --tag ${{ steps.prepare.outputs.docker_image }}:$(git rev-parse --short "$GITHUB_SHA") \
        --tag ${{ steps.prepare.outputs.docker_image }}:latest \
        --file ./Dockerfile \
        --output type=image,push=true .