GitHubAction with Caching

name: Docker Build With Cache

on:
  push:
    branches:
      - main

env:
  IMAGE_NAME: imagename:latest
jobs:
  build-and-deploy:
    runs-on: ubuntu-latest
    steps:
    # checkout the repo
    - name: 'Checkout'
      uses: actions/checkout@v2

    - name: Docker Login
      uses: azure/docker-login@v1
      with:
        login-server: ${{ secrets.REGISTRY_HOST }}
        username: ${{ secrets.REGISTRY_USERNAME }}
        password: ${{ secrets.REGISTRY_PASSWORD }}

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

    # Use Github Actions' cache
    - name: Setup Docker layers cache
      uses: actions/cache@v2
      with:
        path: /tmp/.buildx-cache
        key: ${{ runner.os }}-single-buildx-${{ github.sha }}
        restore-keys: |
          ${{ runner.os }}-single-buildx

    - name: Build And Push
      uses: docker/build-push-action@v2
      with:
        context: .
        builder: ${{ steps.buildx.outputs.name }}
        file: ./Dockerfile
        push: true
        tags: ${{ env.IMAGE_NAME }}
        cache-from: type=local,src=/tmp/.buildx-cache
        cache-to: type=local,dest=/tmp/.buildx-cache-new

      # Temp Solution
      # https://github.com/docker/build-push-action/issues/252
      # https://github.com/moby/buildkit/issues/1896
    - name: Move cache
      run: |
        rm -rf /tmp/.buildx-cache
        mv /tmp/.buildx-cache-new /tmp/.buildx-cache