name: Publish Docker Images

on:
  push:
    branches:
      - main
    tags:
      - "v*"
  workflow_dispatch:
    inputs:
      version:
        description: "Version tag (e.g., v1.0.0)"
        required: false
        default: "latest"

env:
  DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME || 'classroomio' }}

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - name: api
            dockerfile: ./docker/Dockerfile.api
            image: api
          - name: dashboard
            dockerfile: ./docker/Dockerfile.dashboard
            image: dashboard

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Extract metadata (tags, labels)
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.DOCKERHUB_USERNAME }}/${{ matrix.image }}
          tags: |
            type=semver,pattern={{version}}
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push ${{ matrix.name }}
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ${{ matrix.dockerfile }}
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=registry,ref=${{ env.DOCKERHUB_USERNAME }}/${{ matrix.image }}:buildcache
          cache-to: type=registry,ref=${{ env.DOCKERHUB_USERNAME }}/${{ matrix.image }}:buildcache,mode=max
          platforms: linux/amd64

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