name: Build and Push Docker image

on:
  push:
    branches:
      - main

permissions:
  contents: write

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout source
        uses: actions/checkout@v4

      # Auto Tag: generates next semantic version (v1.0.0, v1.1.0, etc.)
      - name: Auto Tag
        id: autotag
        uses: phish108/autotag-action@v1.1.64
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}

      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      # Multiarch Docker build and push with BOTH version tag and latest
      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm64
          tags: |
            ${{ secrets.DOCKERHUB_USERNAME }}/moocup:${{ steps.autotag.outputs.tag }}
            ${{ secrets.DOCKERHUB_USERNAME }}/moocup:latest