.github/workflows/docker-image.yml

name: Build and push Docker image

on:
  push:
    branches:
      - main

env:
  DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
  DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
  IMAGE_NAME: example-image

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

    steps:
      # Checkout the repository
      - name: Checkout repository
        uses: actions/checkout@v2

      # Set up Docker Buildx
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

      # Set up GitHub Packages registry
      - name: Set up GitHub Packages registry
        run: |
          echo "${DOCKER_PASSWORD}" | docker login ghcr.io -u "${DOCKER_USERNAME}" --password-stdin

      # Build and push the Docker image
      - name: Build and push Docker image
        uses: docker/build-push-action@v2
        with:
          context: .
          file: docs/Dockerfile+NoLocal
          push: true
          tags: ghcr.io/${{ github.repository }}/${{ env.IMAGE_NAME }}:latest