ci-backend.yml

name: Backend CI Pipeline

on:
  workflow_dispatch:
  push:
    branches:
      - 'integration'
    paths:
      - 'backend/**'
      - '!backend/*.md'
      
jobs:
  build-and-test:
    name: Build & Test
    runs-on: ubuntu-latest
    services:
      db:
        image: postgres:13
        env:
          POSTGRES_USER: app
          POSTGRES_PASSWORD: changethis123
          POSTGRES_DB: app
          POSTGRES_HOST: localhost
        ports:
          - 5432:5432
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5

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

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: "3.10"

      - name: Cache dependencies
        uses: actions/cache@v3
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
          restore-keys: |
            ${{ runner.os }}-pip-

      - name: Install dependencies
        run: |
          cd backend
          curl -sSL https://install.python-poetry.org | python3 -
          poetry install
          
      - name: Copy env file
        run: |
          cd backend
          cp .env.sample .env

      - name: Run app
        run: |
          cd backend
          poetry run bash ./prestart.sh
          poetry run uvicorn app.main:app --host 0.0.0.0 --port 8000 &

      - name: Run tests
        run: |
          cd backend
          poetry run pytest | tee /dev/null


  build-push-image:
    name: Build & Push Image
    runs-on: ubuntu-latest
    needs: build-and-test
    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Set environment variables
        run: |
          COMMIT_SHA=$(git rev-parse --short HEAD)
          echo "IMAGE_NAME=${{ secrets.DOCKERHUB_USERNAME }}/backend" >> $GITHUB_ENV
          echo "IMAGE_TAG_1=latest" >> $GITHUB_ENV
          echo "IMAGE_TAG_2=${{ github.run_number }}-$COMMIT_SHA" >> $GITHUB_ENV

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v4
        with:
          context: "{{defaultContext}}:backend"
          push: true
          tags: ${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG_1 }}, ${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG_2 }}


  update-deployment:
    name: Update Deployment File
    runs-on: ubuntu-latest
    needs: build-push-image
    env:
      GIT_USER_NAME: DrInTech
      GIT_USER_EMAIL: ${{ secrets.TF_CERT_EMAIL }}
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Set environment variables
        run: |
          COMMIT_SHA=$(git rev-parse --short HEAD)
          echo "IMAGE_NAME=${{ secrets.DOCKERHUB_USERNAME }}/backend" >> $GITHUB_ENV
          echo "IMAGE_TAG_2=${{ github.run_number }}-$COMMIT_SHA" >> $GITHUB_ENV

      - name: Update Deployment YAML
        run: |
          sed -i "s|image: ${{ env.IMAGE_NAME }}:.*|image: ${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG_2 }}|" compose.yml

      - name: Commit and Push Changes
        run: |
          BRANCH_NAME=${{ github.ref_name }}
          git config --global user.email "${{ env.GIT_USER_EMAIL }}"
          git config --global user.name "${{ env.GIT_USER_NAME }}"
          git add compose.yml
          git commit -m "Update Docker Image Tag to ${{ env.IMAGE_TAG_2 }}"
          git pull --rebase origin $BRANCH_NAME
          git push origin $BRANCH_NAME
        env:
          GITHUB_TOKEN: ${{ secrets.TOKEN }}