docker.yaml

name: Publish Docker image

on:
  push:
    branches:
      - main
  release:
    types: [published]

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

jobs:
  build-and-push-docker-image:
    runs-on: ubuntu-latest
    strategy:
      fail-fast:  true
      matrix:
        include:
          - docker_file: Dockerfile
            image: ghcr.io/krishanthisera/grender
            context: backend
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GHCR_TOKEN }}

      - name: Extract metadata for Docker
        id: meta
        uses: docker/metadata-action@v3
        with:
          images: ${{ matrix.image }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v2
        with:
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          file: ${{ matrix.docker_file }}
          context: ${{ matrix.context }}