build.yml

name: Build

on:
  push:
    branches: [ master ]

  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    # Checkout this repository
    steps:
    - name: Checkout this repository
      uses: actions/checkout@v2

    # Setup Docker Buildx
    - name: Setup Docker Buildx
      uses: docker/setup-buildx-action@v1

    # Set Docker layer cache options
    - name: Set Docker cache
      uses: actions/cache@v2
      with:
        path: /tmp/.buildx-cache
        key: ${{ runner.os }}-buildx-${{ github.sha }}
        restore-keys: |
          ${{ runner.os }}-buildx-

    # Login to the GitHub container registry
    - name: Login to GitHub container registry
      uses: docker/login-action@v1
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    # Build and push the Docker image to GitHub
    - name: Build and push Docker image
      uses: docker/build-push-action@v2
      with:
        context: .
        push: true
        tags: ghcr.io/${{ github.repository }}:latest
        cache-from: type=local,src=/tmp/.buildx-cache
        cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max

    # "Temporary" fix for a cache issue
    # https://github.com/docker/build-push-action/issues/252
    # https://github.com/moby/buildkit/issues/1896
    - name: Move Docker cache
      run: |
        rm -rf /tmp/.buildx-cache
        mv /tmp/.buildx-cache-new /tmp/.buildx-cache