name: Docker Production build

on:
  push:
    branches: [ master ]

jobs:
  build-amd64:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        architecture: [amd64]
    steps:
    - name: Login to DockerHub
      uses: docker/login-action@v2
      with:
        username: ${{ secrets.DOCKERHUB_USERNAME }}
        password: ${{ secrets.DOCKERHUB_TOKEN }}
    - name: Checkout
      uses: actions/checkout@v3
    - name: Set up QEMU
      uses: docker/setup-qemu-action@v2
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2
    - name: Available platforms
      run: echo ${{ steps.buildx.outputs.platforms }}
    - name: Run Buildx
      run: docker buildx build --platform linux/${{matrix.architecture}} -t kerberos/documentation:$(echo $GITHUB_SHA | cut -c1-7) --push .