DevTech Insights

Semantic Search with Vector Databases: A Developer's Guide

Learn to build semantic search using vector databases like Pinecone and Weaviate. Covers embeddings, indexing, and querying with code examples in Python and...

How to Build a Multi-Model AI Gateway with Spring Cloud Gateway

Learn to build a scalable multi-model AI gateway using Spring Cloud Gateway to route, throttle, and secure requests to multiple LLM providers (OpenAI, Anthro...

Practical Guide to RAG: Enhancing LLM Responses with Your Own Data

Learn to build a Retrieval-Augmented Generation (RAG) system to ground LLM outputs in your own data. Covers architecture, chunking, embeddings, retrieval, an...

Building an AI-Powered Chatbot with Spring Boot and LangChain4j

Learn how to build an intelligent chatbot using Spring Boot and LangChain4j, including setup, LLM integration, RAG, memory, and deployment best practices.

Building REST Clients with Spring 6 RestClient

Learn how to build robust REST clients in Spring Boot 3.x using the new RestClient API. Step-by-step guide with code examples, error handling, and best pract...

Spring Boot Actuator: Production-Ready Monitoring for Your Microservices

Learn how to use Spring Boot Actuator for production monitoring, health checks, metrics, and custom endpoints. Includes code examples and best practices.

Java Functional Programming: Streams, Optional, and Collectors

Master Java functional programming with Streams, Optional, and Collectors. Learn practical patterns for cleaner, safer, and more expressive code.

Spring Boot Graceful Shutdown: Why and How

Learn why graceful shutdown matters in Spring Boot, how to configure it, and best practices for zero-downtime deployments in production.

Java 21 Pattern Matching for Switch: Real-World Examples

Explore Java 21's pattern matching for switch with practical examples. Learn how to simplify code, handle nulls, and use guards for cleaner, safer logic.

Spring Boot 3 Observability with Micrometer and OpenTelemetry

Spring Boot 3 Observability with Micrometer and OpenTelemetry