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86 lines
2.1 KiB
86 lines
2.1 KiB
---
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description: Node.js and Express.js best practices for backend development
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globs: **/*.js, **/*.ts, src/**/*.ts
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---
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# Node.js and Express.js Best Practices
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## Project Structure
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- Use proper directory structure
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- Implement proper module organization
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- Use proper middleware organization
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- Keep routes organized by domain
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- Implement proper error handling
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- Use proper configuration management
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## Express Setup
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- Use proper middleware setup
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- Implement proper routing
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- Use proper error handling
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- Configure proper security middleware
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- Implement proper validation
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- Use proper static file serving
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## API Design
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- Use proper REST principles
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- Implement proper versioning
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- Use proper request validation
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- Handle errors properly
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- Implement proper response formats
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- Document APIs properly
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## Database Integration
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- Use proper ORM/ODM
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- Implement proper migrations
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- Use proper connection pooling
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- Implement proper transactions
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- Use proper query optimization
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- Handle database errors properly
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## Authentication
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- Implement proper JWT handling
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- Use proper password hashing
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- Implement proper session management
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- Use proper OAuth integration
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- Implement proper role-based access
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- Handle auth errors properly
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## Security
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- Use proper CORS setup
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- Implement proper rate limiting
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- Use proper security headers
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- Implement proper input validation
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- Use proper encryption
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- Handle security vulnerabilities
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## Performance
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- Use proper caching
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- Implement proper async operations
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- Use proper connection pooling
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- Implement proper logging
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- Use proper monitoring
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- Handle high traffic properly
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## Testing
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- Write proper unit tests
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- Implement proper integration tests
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- Use proper test runners
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- Implement proper mocking
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- Test error scenarios
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- Use proper test coverage
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## Deployment
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- Use proper Docker setup
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- Implement proper CI/CD
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- Use proper environment variables
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- Configure proper logging
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- Implement proper monitoring
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- Handle deployment errors
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## Best Practices
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- Follow Node.js best practices
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- Use proper async/await
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- Implement proper error handling
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- Use proper logging
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- Handle process signals properly
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- Document code properly
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