name: Build and deploy Elsa Studio reference application as Docker image
on:
  workflow_dispatch:
  push:
    branches:
      - main

jobs:
  push_to_registry:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
        with:
          platforms: all

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v2

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v3
        with:
          # list of Docker images to use as base name for tags
          images: |
            elsaworkflows/elsa-studio-v3
          flavor: |
            latest=true
          # generate Docker tags based on the following events/attributes
          tags: |
            type=sha

      - name: Login to DockerHub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USER }}
          password: ${{ secrets.DOCKER_PASS }}

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v3
        with:
          builder: ${{ steps.buildx.outputs.name }}
          context: .
          file: ./docker/ElsaStudio.Dockerfile
          platforms: linux/amd64,linux/arm64,linux/arm/v7
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache

      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}