backend-github.yml

# This workflow will install Python dependencies, run tests and lint with a single version of Python
# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

name: Deploy backend container

on:
  push:
    branches: [ "master","feat/kubernetes" ,"feat/backend-*"]
    tags:
        - 'v*'

#  pull_request:
#    branches: [ "master" ]

env:
  REGISTRY: ghcr.io
  APPLICATION: backend
  IMAGE_NAME: ${{ github.repository }}

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  check:
    name: ≠ Check files
    runs-on: ubuntu-latest
    outputs:
      docs_changed: ${{ steps.changed-files-specific.outputs.any_changed }}
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 2  # OR "2" -> To retrieve the preceding commit.
          submodules: 'true'
      - name: Get changed files in the ${{ env.APPLICATION }} folder
        id: changed-files-specific
        uses: tj-actions/changed-files@v34
        with:
          files: |
            ${{ env.APPLICATION }}/**
      - name: Run step if any file(s) in the docs folder change
        if: steps.changed-files-specific.outputs.any_changed == 'true'
        run: |
          echo "One or more files in the docs folder has changed."
          echo "List all the files that have changed: ${{ steps.changed-files-specific.outputs.all_changed_files }}"
 
  test:
    name: ✅ Test with flake8
    runs-on: ubuntu-20.04
    needs: check
    if: needs.check.outputs.docs_changed == 'true'
    steps:
    - uses: actions/checkout@v3
    - name: Set up Python 3.7
      uses: actions/setup-python@v3
      with:
        python-version: "3.7"
    - name: Install dependencies
      working-directory: ${{ env.APPLICATION }}
      run: |
        python -m pip install --upgrade pip
        pip install flake8 pytest
        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
 
    - name: Lint with flake8
      run: |
        # stop the build if there are Python syntax errors or undefined names
        flake8 . --exclude benchmark --count --select=E9,F63,F7,F82 --show-source --statistics
        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
        flake8 . --exclude benchmark --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics

  build:
    name: 🐋 Save docker image
    runs-on: ubuntu-latest
    needs: test
    permissions:
      contents: read
      packages: write
    #if: github.ref == 'refs/heads/master'
    #if: github.ref_type == 'tag' && github.ref == 'refs/heads/master'
    steps:
      -
        uses: actions/checkout@v3
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      -
        name: Login to grcio
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      -
        name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-${{ env.APPLICATION }}
          flavor: |
            latest=auto
          tags: |
            type=schedule
            # branch event
            type=ref,enable=true,priority=600,prefix=,suffix=,event=branch
            # tag event
            # type=ref,enable=true,priority=600,prefix=,suffix=,event=tag
            # pull request event
            type=ref,enable=true,priority=600,prefix=pr-,suffix=,event=pr
            # push tag version of tagged branch
            type=semver,pattern={{version}},event=tag
            # set latest tag for master branch
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'master') }}
      -
        name: Build and Push (latest)
        uses: docker/build-push-action@v3
        with:
          target: prod
          context: ${{ env.APPLICATION }}
          platforms: linux/amd64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            APP_VERSION=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.version'] }}

  # deploy:
  #   name: 🚀 Deploy
  #   if: github.ref == 'refs/heads/master'
  #   needs: [ check, build ]
  #   runs-on: ubuntu-latest
  #   steps:
  #     - name: Sleep for 30 seconds (to let the new image to be saved)
  #       run: sleep 30s
  #       shell: bash

  #     - name: Set the Kubernetes context
  #       uses: azure/k8s-set-context@v3
  #       with:
  #         method: service-account
  #         k8s-url: https://${{ secrets.KUBERNETES_URL }}
  #         k8s-secret: ${{ secrets.KUBERNETES_TOKEN }}
          
  #     - name: Checkout source code
  #       uses: actions/checkout@v3

  #     - name: Deploy to the Kubernetes cluster
  #       uses: azure/k8s-deploy@v4
  #       with:
  #         namespace: pavima
  #         action: deploy
  #         manifests: |
  #           deployments/faust.yaml
  #         images: |
  #           ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-${{ env.APPLICATION }}
  #         # try to solve Warning: Failed to get dockerfile path for image ghcr.io
  #         pull-images: false
  #         imagePullSecrets: |
  #           ghcr-login-secret