name: Docker publish

on:
  workflow_dispatch:
  push:
    tags:
      - "v*"

jobs:
  buildandpush:
    runs-on: ubuntu-latest
    steps:

      # https://github.com/marketplace/actions/checkout
      - name: Checkout
        uses: actions/checkout@v4
        with:
          submodules: true

      # https://github.com/marketplace/actions/get-latest-tag
      - name: Get latest tag
        id: latest-tag
        uses: WyriHaximus/github-action-get-previous-tag@v1

      # https://github.com/booxmedialtd/ws-action-parse-semver
      - name: Parse version
        id: semver-version
        uses: booxmedialtd/ws-action-parse-semver@v1
        with:
          input_string: ${{ steps.latest-tag.outputs.tag }}

      # https://github.com/docker/setup-qemu-action#usage
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      # https://github.com/marketplace/actions/docker-setup-buildx
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      # https://github.com/docker/login-action#docker-hub
      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_PASSWORD }}

      # https://github.com/docker/metadata-action
      - name: Extract metadata for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ github.repository }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{major}}.{{minor}}.{{patch}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}

      # https://github.com/docker/build-push-action#multi-platform-image
      - name: Build and push to Docker Hub
        uses: docker/build-push-action@v4
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm64
          labels: ${{ steps.meta.outputs.labels }}
          tags: ${{ steps.meta.outputs.tags }}

      # https://github.com/peter-evans/dockerhub-description
      - name: Update repo description
        uses: peter-evans/dockerhub-description@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_PASSWORD }}
          repository: ${{ github.repository }}
          short-description: ${{ github.event.repository.description }}