name: CI Pipeline
on:
  push:
    branches:
      - main

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.9'
      - name: Install dependencies
        run: pip install flake8
      - name: Run linting
        run: flake8 . --max-line-length=120

  test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.9'
      - name: Install dependencies
        run: pip install -r requirements.txt
      - name: Run tests
        run: pytest test_app.py

  build:
    runs-on: ubuntu-latest
    needs: [lint, test]
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Build Docker image
        run: docker build -t my-flask-app:latest .