CD.yml

name: CD

on:
  push:
    branches:
      - main
  workflow_dispatch:

jobs:
  lint-test-build-deploy:
    runs-on: ubuntu-latest
    env:
      REPO_ROOT: ${{ github.workspace }}

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.9' 

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -r tests/requirements_CI-CD.txt

      - name: Configure DVC S3 remote
        run: |
          dvc remote modify origin endpointurl https://dagshub.com/schytze0/deep_leaf.s3
        env:
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}

      - name: Pull the production model and train.tfrecord file
        run: |
          dvc pull models/production_model.keras
          dvc pull data/training/train.tfrecord
        env:
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}

      - name: Run flake8
        run: |
          flake8 --exclude=.env,.github --max-line-length=120 .
        continue-on-error: true

      - name: Run tests with pytest
        run: |
          pytest --maxfail=1 --disable-warnings -v

      - name: Build Docker image with docker-compose (only fastapi service)
        run: |
          docker compose build fastapi-app

      - name: Launch fastapi container
        run: |
          docker compose up -d fastapi-app
          sleep 10 # wait 10 seconds for container to start

    #   - name: Check API health 
    #     run: |
    #       curl --fail http://localhost:8001/ || (echo "API not responding" && exit 1)

      - name: Stop container
        if: always()
        run: docker compose down
    
      - name: Docker login
        run: |
          echo "${{ secrets.DOCKERHUB_PASSWORD }}" | docker login --username "${{ secrets.DOCKERHUB_USERNAME }}" --password-stdin

      - name: Tag & push fastapi image to DockerHub
        run: |
          docker tag fastapi-app:latest ${{ secrets.DOCKERHUB_USERNAME }}/deepleaf-fastapi-app:latest
          docker push ${{ secrets.DOCKERHUB_USERNAME }}/deepleaf-fastapi-app:latest