Learning Objectives

• Write comprehensive tests
• Set up GitHub Actions
• Deploy with Docker

yaml
# .github/workflows/ci.yml
name: CI
on: [push, pull_request]
jobs:
  test:
    runs-on: ubuntu-latest
    services:
      postgres:
        image: postgres:15
        env:
          POSTGRES_PASSWORD: test
    steps:
      - uses: actions/checkout@v3
      - name: Run tests
        run: |
          pip install -r requirements.txt
          python -m pytest tests/

Q1: What should unit tests cover?

Model validations, business logic, API endpoints (status codes, response structure), edge cases, error handling. Q2: What is a staging environment?

Pre-production environment mirroring production. Test deployment, data migration, configuration before releasing to production. Q3: How to handle secrets in CI/CD?

GitHub Secrets (encrypted env vars), HashiCorp Vault, AWS Secrets Manager. Never commit secrets to repository. Join Discord PreviousMilestone 5: Real-Time Features with WebSocketsNextMilestone 7: Performance & Security