05. Django Project - Dự Án Microservices

Mục Tiêu Module

Áp dụng tất cả kiến thức đã học để xây dựng hệ thống microservices hoàn chỉnh với Django, Docker và PostgreSQL.

Danh Sách Bài Học

Phase 1: Project Setup

1. Project Architecture Design

  • Microservices architecture overview
  • Service boundaries
  • Communication patterns (REST, Message Queue)
  • Database per service pattern
  • API Gateway pattern
  • Technology stack decisions

2. Development Environment Setup

  • Git repository structure
  • Virtual environment (mxtechenv)
  • IDE configuration
  • Docker Desktop installation
  • PostgreSQL client tools
  • Postman/Insomnia setup

3. Common Source Package

  • Shared utilities structure
  • Base models và serializers
  • Custom middleware
  • Authentication decorators
  • Response formatters
  • Error handlers
  • Constants và configs

Phase 2: User/Auth Service

4. User Service - Project Setup

  • Django project initialization
  • App structure
  • Database configuration
  • Environment variables
  • Initial migrations

5. User Models

  • Custom User model
  • User profile model
  • Role model
  • Permission model
  • Model relationships
  • Model methods

6. Authentication System

  • JWT implementation với simplejwt
  • Login endpoint
  • Logout endpoint
  • Token refresh
  • Token blacklist
  • Password validation

7. User Registration

  • Registration endpoint
  • Email verification
  • Username/email validation
  • Password strength requirements
  • Terms acceptance
  • Welcome email trigger

8. User Profile Management

  • Profile retrieve
  • Profile update
  • Avatar upload
  • Password change
  • Account deactivation
  • Profile visibility settings

9. Password Recovery

  • Forgot password endpoint
  • Reset token generation
  • Reset password endpoint
  • Email templates
  • Token expiration
  • Security measures

10. Role-Based Access Control (RBAC)

  • Role definition
  • Permission system
  • Role assignment
  • Permission checking
  • Custom permissions
  • Admin roles

11. User Service Testing

  • Model tests
  • API endpoint tests
  • Authentication tests
  • Permission tests
  • Integration tests
  • Test coverage report

Phase 3: Mailer Service

12. Mailer Service - Project Setup

  • Django project initialization
  • Celery configuration
  • Redis setup
  • Email backend configuration
  • Template directory structure

13. Email Models

  • Email template model
  • Email history model
  • Email queue model
  • Template variables
  • Email status tracking

14. Email Templates

  • Welcome email template
  • Verification email template
  • Password reset template
  • Notification templates
  • Template rendering
  • HTML vs plain text

15. Celery Tasks

  • Send email task
  • Bulk email task
  • Scheduled email task
  • Retry logic
  • Error handling
  • Task monitoring

16. Mailer API Endpoints

  • Send email endpoint
  • Template management endpoints
  • Email history endpoints
  • Queue status endpoint
  • Retry failed emails
  • API authentication

17. Email Service Integration

  • User service → Mailer service communication
  • REST API calls
  • Async task triggering
  • Error handling
  • Fallback mechanisms
  • Circuit breaker pattern

18. Mailer Service Testing

  • Task tests
  • Email sending tests
  • Template rendering tests
  • API tests
  • Integration tests
  • Mock email backend

Phase 4: Docker & Deployment

19. Docker Basics Review

  • Dockerfile best practices
  • Multi-stage builds
  • Layer caching
  • .dockerignore
  • Image optimization

20. Service Dockerfiles

  • User service Dockerfile
  • Mailer service Dockerfile
  • Base image selection
  • Dependencies installation
  • Health checks
  • Entrypoint scripts

21. Docker Compose Configuration

  • docker-compose.yml structure
  • Service definitions
  • Network configuration
  • Volume management
  • Environment variables
  • Dependency ordering

22. PostgreSQL Containers

  • PostgreSQL service definition
  • Multiple databases
  • Data persistence
  • Initialization scripts
  • Backup strategies
  • Connection pooling

23. Redis Container

  • Redis service definition
  • Persistence configuration
  • Memory limits
  • Security settings
  • Connection from services

24. Service Networking

  • Docker networks
  • Service discovery
  • Internal communication
  • Port mapping
  • Load balancing basics
  • Network security

25. Environment Configuration

  • .env file structure
  • Secrets management
  • Different environments (dev, staging, prod)
  • Environment validation
  • Configuration best practices

26. Database Migrations

  • Running migrations trong Docker
  • Migration strategies
  • Zero-downtime migrations
  • Rollback procedures
  • Data migrations

27. Static Files & Media

  • Static files configuration
  • Media files configuration
  • Volume mounting
  • WhiteNoise integration
  • CDN considerations
  • File upload limits

Phase 5: Testing & Quality

28. Integration Testing

  • Service-to-service tests
  • End-to-end tests
  • Docker Compose for testing
  • Test data setup
  • Test isolation
  • CI/CD testing

29. API Documentation

  • OpenAPI/Swagger setup
  • drf-spectacular integration
  • Endpoint documentation
  • Request/response examples
  • Authentication documentation
  • Postman collections

30. Code Quality

  • Linting với flake8/pylint
  • Code formatting với black
  • Pre-commit hooks
  • Type checking với mypy
  • Code review checklist

Phase 6: Monitoring & Maintenance

31. Logging Setup

  • Centralized logging
  • Log aggregation
  • Log levels
  • Structured logging
  • Log rotation
  • Debug logging

32. Error Tracking

  • Sentry integration
  • Error notifications
  • Error grouping
  • Performance monitoring
  • Release tracking

33. Health Checks

  • Service health endpoints
  • Database health
  • External service checks
  • Readiness vs liveness
  • Docker health checks

34. Performance Monitoring

  • Response time tracking
  • Database query monitoring
  • Cache hit rates
  • Celery task monitoring
  • Resource usage

Phase 7: Advanced Features

35. API Rate Limiting

  • Rate limiting implementation
  • Per-user limits
  • IP-based limits
  • Throttling strategies
  • Rate limit headers

36. API Versioning

  • Versioning strategies
  • URL versioning
  • Header versioning
  • Backward compatibility
  • Deprecation policy

37. Caching Strategy

  • Redis caching
  • Cache invalidation
  • Cache warming
  • Cache patterns
  • Performance gains

38. Background Jobs

  • Periodic tasks với Celery Beat
  • Scheduled emails
  • Data cleanup jobs
  • Report generation
  • Job monitoring

39. Database Optimization

  • Query optimization
  • Indexing strategy
  • Connection pooling
  • Read replicas (concept)
  • Database backup

40. Security Hardening

  • HTTPS enforcement
  • CORS configuration
  • Security headers
  • SQL injection prevention
  • XSS prevention
  • CSRF protection
  • Security audit

Phase 8: Deployment

41. Production Settings

  • DEBUG = False
  • ALLOWED_HOSTS
  • Security settings
  • Database configuration
  • Static/media files
  • Email configuration

42. Docker Compose Production

  • Production docker-compose
  • Resource limits
  • Restart policies
  • Healthchecks
  • Logging drivers

43. Container Orchestration Intro

  • Docker Swarm basics
  • Kubernetes concepts
  • Service scaling
  • Load balancing
  • High availability

44. CI/CD Pipeline

  • GitHub Actions / GitLab CI
  • Automated testing
  • Docker image building
  • Automated deployment
  • Rollback strategies

45. Deployment Checklist

  • Pre-deployment checks
  • Database migrations
  • Static files collection
  • Environment verification
  • Smoke tests
  • Monitoring setup

Phase 9: Project Documentation

46. System Documentation

  • Architecture diagrams
  • Service dependencies
  • Database schemas
  • API contracts
  • Infrastructure setup

47. Developer Guide

  • Setup instructions
  • Development workflow
  • Coding standards
  • Testing guidelines
  • Contribution guide

48. Operations Guide

  • Deployment procedures
  • Backup/restore procedures
  • Monitoring guide
  • Troubleshooting guide
  • Incident response

49. User Guide (for team members)

  • API usage examples
  • Authentication flow
  • Common use cases
  • Error handling
  • Best practices

50. Project Retrospective

  • Lessons learned
  • What went well
  • What to improve
  • Technology evaluation
  • Next steps

Prerequisites

  • ✅ Hoàn thành Module 01-04
  • ✅ Docker installed
  • ✅ PostgreSQL knowledge
  • ✅ Git basics
  • Postman/Insomnia
  • Terminal/shell proficiency

Thời Gian Học

  • Ước tính: 6-8 tuần
  • Thời lượng mỗi bài: 2-4 giờ
  • Full-time commitment: 40+ giờ/tuần

Deliverables

Code Deliverables

  • ✅ Working User/Auth Service
  • ✅ Working Mailer Service
  • ✅ Common package
  • ✅ Docker configuration
  • ✅ Database schemas
  • ✅ Test suites
  • ✅ API documentation

Documentation Deliverables

  • ✅ README.md
  • ✅ Architecture diagrams
  • ✅ API documentation
  • ✅ Setup guide
  • ✅ Deployment guide

Presentation

  • ✅ Demo video
  • ✅ Technical presentation
  • ✅ Code walkthrough

Tài Nguyên Tham Khảo

Evaluation Criteria

Technical (70%)

  • Code quality (20%)
  • Architecture design (15%)
  • Testing coverage (15%)
  • Security implementation (10%)
  • Performance (10%)

Documentation (20%)

  • Code documentation (10%)
  • System documentation (10%)

Presentation (10%)

  • Demo (5%)
  • Technical explanation (5%)

Module Tiếp Theo

06-postgresql - Deep dive vào PostgreSQL cho production databases.

Note: Đây là project thực tế, commit code thường xuyên và push lên Git repository!