Notes, guides, and technical write-ups.
A complete Python learning roadmap covering fundamentals, FastAPI, PostgreSQL with SQLAlchemy, Docker, Redis, OpenAI/Gemini/Anthropic APIs, LangChain, LangGraph, and RAG.
Learn everything about MCP (Model Context Protocol) servers — what they are, how they work, how to build your own, and how to connect AI models to external tools, databases, APIs, and services.
A deep-dive into MongoDB covering core concepts, raw MongoDB shell queries, and Mongoose ODM — with real-world examples at every level.
A comprehensive guide to Redis covering in-memory data structures, caching, Pub/Sub, streams, rate limiting, session management, job queues, distributed locking, and production use cases.
Build a complete deployment workflow for a MERN application with Docker, Nginx reverse proxy, and GitHub Actions CI/CD pipeline for automatic VPS deployment.
A comprehensive, production-focused deep-dive into Node.js and Express.js — covering core runtime concepts, HTTP fundamentals, REST API design, middleware, authentication, security, testing, performance optimization, and deployment.
Complete guide to advanced TypeScript concepts including Generics, Utility Types, Type Inference, Discriminated Unions, and Template Literal Types with interview and real-world development examples.
Comprehensive guide to Next.js App Router covering file-based routing, server components, data fetching, and production deployment.