docker-build.yml

name: Build Home Assistant Addon

on:
  push:
    branches:
      - main
      - dev
    tags:
      - "v*"
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Determine Docker tags
        id: tags
        run: |
          # Convert repository name to lowercase for Docker
          IMAGE_NAME_LOWER=$(echo "${{ env.IMAGE_NAME }}" | tr '[:upper:]' '[:lower:]')
          
          if [[ "${{ github.ref }}" == "refs/heads/main" ]]; then
            echo "tags=${{ env.REGISTRY }}/${IMAGE_NAME_LOWER}:latest" >> $GITHUB_OUTPUT
          elif [[ "${{ github.ref }}" == "refs/heads/dev" ]]; then
            echo "tags=${{ env.REGISTRY }}/${IMAGE_NAME_LOWER}:dev" >> $GITHUB_OUTPUT
          elif [[ "${{ github.ref }}" == refs/tags/v* ]]; then
            VERSION=${GITHUB_REF#refs/tags/v}
            echo "tags=${{ env.REGISTRY }}/${IMAGE_NAME_LOWER}:${VERSION},${{ env.REGISTRY }}/${IMAGE_NAME_LOWER}:latest" >> $GITHUB_OUTPUT
          else
            echo "tags=${{ env.REGISTRY }}/${IMAGE_NAME_LOWER}:${{ github.sha }}" >> $GITHUB_OUTPUT
          fi

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.tags.outputs.tags }}
          cache-from: |
            type=gha
            type=registry,ref=${{ env.REGISTRY }}/${{ github.repository }}:buildcache
          cache-to: type=gha,mode=max