docker-build.yml

---
name: Docker build

on:
  push:
    branches: [ master ]
    paths-ignore:
      - '**.md'

  pull_request:
    branches: [ master ]
    paths-ignore:
      - '**.md'

  workflow_dispatch:

  workflow_call:
    outputs:
      test-http-code:
        value: ${{ jobs.build-and-test.outputs.test-http-code }}

env:
  BASE_TAG: lkurzyniec/netcore-boilerplate

jobs:
  build-and-test:
    name: docker Build and Test
    runs-on: ubuntu-latest
    outputs:
      test-http-code: ${{ steps.test-container.outputs.HTTP_CODE }}

    steps:
    - name: Setup Docker Buildx
      uses: docker/setup-buildx-action@v3

    - name: Build docker image
      uses: docker/build-push-action@v6
      with:
        load: true
        tags: ${{ env.BASE_TAG }}:latest
        cache-from: type=gha
        cache-to: type=gha,mode=max

    - name: Test container
      id: test-container
      run: |
        docker run -d --rm -p 5000:8080 ${{ env.BASE_TAG }}:latest

        echo "Taking a short nap..."
        sleep 5s

        echo "Checking health check endpoint..."
        curl -Is http://localhost:5000/healthz/ready | head -n 1
        HTTP_CODE=$(curl -o /dev/null -s -w "%{http_code}\n" http://localhost:5000/healthz/ready)
        echo "HTTP_CODE=$HTTP_CODE" >> $GITHUB_OUTPUT

        echo "Validating response..."
        if [ "$HTTP_CODE" = "200" ]; then
          echo "All is valid!"
        else
          echo "Response is invalid!"
          exit 1
        fi