name: Push Docker image

on:
  release:
    types: [published]
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  push_to_registry:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest
    steps:
      - name: Check out the repo
        uses: actions/checkout@v2
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: |
            ${{ github.repository_owner }}/grist
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            stable
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      - name: Log in to Docker Hub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      - name: Push to Docker Hub
        uses: docker/build-push-action@v2
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm64/v8
          tags: ${{ steps.meta.outputs.tags }}
          cache-from: type=gha
          cache-to: type=gha,mode=max