muse/.github/workflows/pr.yml

name: PR Workflow

on:
  pull_request:
    types: [opened, synchronize, ready_for_review, edited, closed]
    branches:
      - master

jobs:
  release:
    name: Release snapshot
    runs-on: ubuntu-latest
    steps:
      - name: Set up Buildx
        uses: docker/setup-buildx-action@v1

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1

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

      - name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          push: true
          tags: codetheweb/muse:${{ github.event.pull_request.head.sha }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache,mode=max

      - name: Create comment
        uses: marocchino/sticky-pull-request-comment@v2
        with:
          header: "pr-release"
          message: |
            #### :package: A new release has been made for this pull request

            To play around with this PR, pull `codetheweb/muse:${{ github.event.pull_request.head.sha }}`.

            > Latest commit: ${{ github.event.pull_request.head.sha }}