build-docker.yml

name: Build and Push Docker Images

on:
  push:
    tags:
      - '*'

jobs:
  build-and-push:
    runs-on: ubuntu-latest

    env:
      REGISTRY: docker.io
      USERNAME: ${{ secrets.DOCKER_USERNAME }}
      PASSWORD: ${{ secrets.DOCKER_PASSWORD }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Get the latest tag
        id: get-tag
        run: |
          TAG=$(git describe --tags --abbrev=0)
          echo "TAG=$TAG" >> $GITHUB_ENV

      - name: Extract image name from tag message
        id: extract-image-name
        run: |
          TAG_MESSAGE=$(git tag -l --format='%(contents)' ${{ env.TAG }})
          if [[ "$TAG_MESSAGE" =~ build\/([^ ]+) ]]; then
            IMAGE_NAME=${BASH_REMATCH[1]}
            echo "IMAGE_NAME=$IMAGE_NAME" >> $GITHUB_ENV
          else
            echo "No valid image name specified in tag message."
            exit 1
          fi

      - name: Verify Dockerfile exists
        run: |
          if [ ! -f "$IMAGE_NAME/Dockerfile" ]; then
            echo "Dockerfile not found in the specified directory: $IMAGE_NAME"
            exit 1
          fi

      - uses: docker/setup-qemu-action@v2
        with:
          platforms: amd64


      - uses: docker/setup-buildx-action@v2


      - uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}


      - name: Extract metadata for Docker
        uses: docker/metadata-action@v4
        id: meta
        with:
          images: ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}



      - name: Build and push Docker image
        uses: docker/build-push-action@v4
        with:
          file: ${{ env.IMAGE_NAME }}/Dockerfile
          context: .
          platforms: linux/amd64
          push: true
          tags: |
            ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:${{ env.TAG }}
            ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:latest
          labels: ${{ steps.meta.outputs.labels }}