docker-test.yml

name: Build and test Docker image
# This workflow builds a Docker image and runs a container to test the image.
# Five seconds after it starts the container, it prints the logs of the container.
# Then, it checks if the container is running. If the container is not running, the
# workflow exits with an error.

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

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

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

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

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: false
          tags: ${{ env.IMAGE_NAME }}:latest

      - name: List Docker images
        run: docker images

      - name: Run Docker container
        run: |
          docker run --name test-container -d ${{ env.IMAGE_NAME }}:latest
          sleep 5
          docker logs test-container
          if [ "$(docker ps -f name=test-container -q)" = "" ]; then
            echo "Container is not running."
            exit 1
          fi
          docker stop test-container