name: Publish Docker

on:
  push:
    branches:
      - release

jobs:
  publish-docker:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
      - name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=sha
            type=ref,event=branch
            type=ref,event=pr
            type=ref,event=tag
            type=semver,pattern={{version}}
            type=raw,value={{date 'YYYYMMDD'}}
          
      - name: Build and push
        uses: docker/build-push-action@v3
        with:
          context: .
          push: true
          tags: |
            ${{ steps.meta.outputs.tags }}
            excalidraw/excalidraw:latest