build-push.yaml

name: Create and publish Docker image

on:
  push:
    branches: ['master']

env:
  IMAGE_NAME: ${{ github.repository }}

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

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

      - name: Log in to the Container registry
        uses: docker/login-action@v2.1.0
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ secrets.DOCKER_USERNAME }}/${{ env.IMAGE_NAME }}
          # generate Docker tags based on the following events/attributes
          tags: |
            type=raw,value=stable
            type=sha,enable=true,prefix={{date 'YYYYMMDD'}}_sha-,format=short
            type=ref,event=branch

      - name: Build and push Docker image
        uses: docker/build-push-action@v4.0.0
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}