name: Publish Docker

on:
  push:
    tags: 
      - v*
    branches:
      - release

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

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: excalidraw/excalidraw
          flavor: |
            latest=false
          tags: |
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'release') }}
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
      - name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      - name: Build and push
        uses: docker/build-push-action@v4
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}