Пост10. 🖥️ Backend Development

10. 🖥️ Backend Development • Node.js: • What is Node.js, Architecture, npm, Packages • Modules, File system, Environment variables, HTTP servers • Express.js: • Express, Routes, Middleware, Controllers • REST APIs, Requests & responses, HTTP status codes • Validation, Error handling • Project: Build your own REST API 11. 🗄️ Databases • SQL & PostgreSQL: • Database fundamentals, Tables, Rows & columns • Primary keys, Foreign keys, CRUD • SELECT, WHERE, ORDER BY, GROUP BY • Aggregate functions, JOINs, Subqueries • Indexes, Transactions, Database design • NoSQL: • MongoDB fundamentals, Documents, Collections, CRUD • SQL vs NoSQL, When to use each • Project: Database-backed application 12. 🔐 Authentication & Security • Authentication, Authorization, Password hashing • Cookies, Sessions, JWT, CORS • XSS, CSRF, SQL injection • Environment variables, Secure APIs, Common vulnerabilities • Project: Secure authentication system 13. 🔗 Full-Stack Development • Frontend: HTML → CSS → JavaScript → React → TypeScript • Backend: Node.js → Express.js → REST APIs • Database: PostgreSQL • Other: Git → Authentication → Security → Deployment • Major Project: Complete real-world full-stack application 14. 🧪 Testing & Code Quality • Testing fundamentals, Unit testing, Integration testing, E2E testing • Debugging, Logging, Clean code, Refactoring, Code reviews 15. ⚡ Performance & Optimization • Website performance, Browser rendering, Network optimization • Image optimization, Lazy loading, Code splitting • Caching, API optimization, Database optimization 16. ☁️ Deployment & DevOps Basics • Production builds, Environment variables, Hosting • Domains, DNS, Frontend deployment, Backend deployment, Database deployment • CI/CD basics, Docker fundamentals, Monitoring, Production debugging • Project: Deploy your complete full-stack application 17. 🧩 Advanced Web Development • Advanced React, Advanced TypeScript, WebSockets • Real-time applications, Advanced API design, Caching • Scalability, Architecture, Design patterns, System design fundamentals, Cloud fundamentals 18. 🏆 Portfolio Projects • Beginner: Personal website, Landing page, Calculator, To-do app • Intermediate: Weather app, Expense tracker, Quiz app, E-commerce frontend • Advanced: Admin dashboard, Authentication system, Full-stack app, Real-world business app • Final Project: Production-style full-stack application 19. 💼 Job Preparation • Portfolio: Strongest projects, Project descriptions, README, Live demos, GitHub organization • Resume: Developer-focused resume, Technical skills, Achievements, ATS-friendly structure • Job Search: Finding positions, Applying effectively, Presenting your projects 20. 🎯 Interview Preparation • Technical: HTML, CSS, JavaScript, React, TypeScript, Node.js, Express, SQL, Databases, APIs, Security • Practical: Coding problems, Debugging, Code reviews, Project discussions, Technical scenarios • Mock Interviews: Simulating real interviews 🔄 Double Tap ❤️ For Detailed Explanation