@nsithijashehara
updated configId migration for multiple survey implementation - all the endpoints changed from the FE
Production RAG (Retrieval-Augmented Generation) patterns — document chunking strategies, embedding model selection, vector store integration, hybrid search, reranking, and hallucination prevention. Includes LangChain and direct API approaches.
Microservices patterns with Spring Boot — service discovery, API gateway, circuit breakers, distributed tracing, event-driven communication with Kafka, and containerization with Docker. Includes Spring Cloud integration.
Database best practices for Node.js — connection pooling, transaction management, N+1 prevention, migration workflows, query optimization, and ORM patterns with Prisma and Drizzle. Covers PostgreSQL and MongoDB.
End-to-end auth patterns for Next.js — middleware route protection, server-side session checks, role-based access control, API route guards, and secure token handling. Examples with NextAuth.js and Clerk.
Comprehensive React testing guide — component testing with Testing Library, hook testing, MSW for API mocking, snapshot testing done right, accessibility testing, and integration test patterns. Covers Vitest and Jest.
Systematic prompt engineering techniques for production AI features — chain-of-thought, few-shot examples, structured output parsing, guardrails, retry strategies, and cost optimization. Works with OpenAI, Anthropic, and open-source models.
Production-grade Spring Boot patterns — controller/service/repository layers, global exception handling, DTO validation with Bean Validation, pagination, HATEOAS, and security configuration with Spring Security 6.
Battle-tested patterns for Node.js REST APIs — layered architecture, input validation, error handling middleware, authentication guards, rate limiting, and structured logging. Framework-agnostic core with Express/Fastify examples.
Complete ruleset for Next.js App Router — server vs client component boundaries, data fetching patterns, caching strategies, streaming with Suspense, and route handler best practices. Covers Next.js 14-16.
Enforces scalable React component patterns — compound components, render props, custom hooks extraction, proper state colocation, and composition over inheritance. Prevents prop drilling and component bloat.