action.yaml

name: "Build and push image"
description: "Builds and pushes an image to a registry"

inputs:
  service:
    description: "Service to build"
    required: true
  image_name:
    description: "Name of image"
    required: true
  project_path:
    description: "Project path"
    required: true
  registry_username:
    description: "Registry username"
    required: true
  dockerhub_username:
    description: "Docker hub username"
    required: true
  dockerhub_token:
    description: "Docker hub token"
    required: true
  test_path:
    description: "Project test path"

runs:
  using: "composite"
  steps:
    - name: Setup .NET
      uses: actions/setup-dotnet@v3
      with:
        dotnet-version: 6.0.x
    - name: Restore dependencies
      shell: bash
      run: |
        cd src 
        dotnet restore "eshop-microservices.sln"
        cd -
        cd  ${{ inputs.project_path }}
        dotnet build --no-restore
    - name: Run Tests
      shell: bash
      if: ${{ inputs.test_path != '' }}
      run: |
        cd ${{ inputs.test_path }}
        dotnet test --verbosity normal 

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v2
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2
    - name: Login to Docker Hub
      uses: docker/login-action@v2
      with:
          username: ${{ inputs.dockerhub_username }}
          password: ${{ inputs.dockerhub_token }}
          
    - name: Docker meta
      id: docker_meta
      uses: docker/metadata-action@v4
      with:
          images: ${{ inputs.registry_username }}/${{ inputs.image_name }}
          flavor: |
            latest=false
          tags: |
            type=raw,value=latest,enable=${{ endsWith(github.ref, github.event.repository.default_branch) }}
            type=ref,event=pr
            type=ref,event=branch
            type=semver,pattern={{version}}
            
    - name: Build and push ${{ inputs.service }}
      uses: docker/build-push-action@v4
      with:
          context: ./src/
          file: ${{ inputs.project_path }}/Dockerfile
          push: true
          tags: ${{ steps.docker_meta.outputs.tags }}
          labels: ${{ steps.docker_meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          platforms: linux/amd64
    
    - name: Find comment for image tags
      uses: peter-evans/find-comment@v2
      if: github.event_name == 'pull_request'
      id: fc
      with:
          issue-number: ${{ github.event.pull_request.number }}
          comment-author: 'github-actions[bot]'
          body-includes: Docker image tag(s) pushed
      
        # If PR, put image tags in the PR comments
    - name: Create or update comment for image tags
      uses: peter-evans/create-or-update-comment@v2
      if: github.event_name == 'pull_request'
      with:
          comment-id: ${{ steps.fc.outputs.comment-id }}
          issue-number: ${{ github.event.pull_request.number }}
          body: |
            Docker image tag(s) pushed:
            ```text
            ${{ steps.docker_meta.outputs.tags }}
            ```
            Labels added to images:
            ```text
            ${{ steps.docker_meta.outputs.labels }}
            ```
          edit-mode: replace