backend

Step-by-step guide to building and deploying a Bun + Hono REST API to Vercel using a free GitHub public repo. Covers project setup, Vercel adapter, environment variables, and CI/CD.

Master load balancing fundamentals: algorithms (Round Robin, Least Connections, IP Hash), Layer 4 vs Layer 7, health checks, session persistence, SSL termination, and implementation with Nginx, HAProxy, and cloud providers.

Master production-ready Node.js API development with TypeScript. Learn Express.js and Fastify setup, middleware patterns, request validation with Zod, error handling, authentication, file uploads, background jobs, and logging.

Compare Bun, Node.js, and Deno in depth: performance benchmarks, TypeScript support, package management, compatibility, security models, and which runtime to choose for your next project.

Complete guide to implementing OAuth2 social login with Google and GitHub in Spring Boot. Learn Spring Security OAuth2 Client, user registration flow, linking social accounts, and combining JWT with OAuth2.

Master GraphQL fundamentals: schemas, queries, mutations, subscriptions, resolvers, and best practices. Learn how GraphQL compares to REST and when to use each approach.

Master Docker fundamentals from scratch. Learn containers vs VMs, Docker architecture, images, containers, networking, volumes, and essential commands with hands-on examples.

Master JPA performance optimization in Spring Boot. Learn to detect and fix N+1 query problems, optimize fetch strategies, use projections, batch operations, and write efficient JPQL and native queries.

Master Go fundamentals: installation, development environment setup, variables, constants, control flow, functions, and core data types. Your first step to becoming a Go developer.

Master REST API fundamentals: HTTP methods, status codes, URL design, authentication, versioning, pagination, and best practices. The complete guide for backend developers.