What is RAG & Vector Search?

Retrieval-augmented generation, vector databases, embeddings and semantic search

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DeepCamp curates the best RAG & Vector Search tutorials from top YouTube educators. You can filter by level (beginner, intermediate, advanced) and duration to find the right fit.

RAG & Vector Search Lessons — Free Learning

Dev.to · Iteration Layer 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

Document-to-Markdown for RAG: Preparing Documents for Your AI Knowledge Base

Your RAG Pipeline Is Only as Good as Its Ingestion Every team building retrieval-augmented...

Dev.to · Iteration Layer 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

RAG from Public Documentation Websites: Robots.txt, Terms, Retention, and Attribution

Public Docs Are the Easiest RAG Source to Get Wrong Every AI support project eventually...

Dev.to · Dan Shalev 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

I built a GraphRAG demo with FalkorDB’s new SDK, then benchmarked it against Neo4j

FalkorDB shipped graphrag-sdk v1.0.0rc1 and I wanted to see how it feels on real content, not a toy...

Dev.to · Remigiusz Samborski 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

How I used Gemini CLI to orchestrate a complex RAG migration

Building a complex, multi-phase cloud project like a RAG migration is as much about orchestration as...

Dev.to · Gursharan Singh 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

RAG in Practice — Part 8: RAG in Production — What Breaks After Launch

Why production RAG drifts, degrades, and quietly fails — and the patterns and discipline that prevent it.

Dev.to · klement Gunndu 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

The 10-Layer Security System Your RAG Pipeline Is Missing

Your RAG pipeline has a front door and a back door. Both are wide open. The front door lets users...

Dev.to · Gursharan Singh 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

RAG in Practice — Part 7: Your RAG System Is Wrong. Here's How to Find Out Why.

Evaluation, metrics, LLM-as-a-judge, and the diagnostic spine. The single most important debugging habit in RAG.

Dev.to · HarinezumIgel 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

Speaking the Corpus's Language: How Multilingual RAG Stays Coherent Across Turns

This article assumes you already run a multi-turn RAG pipeline and have query rewriting...

Dev.to · klement Gunndu 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

10 Chunking Strategies That Make or Break Your RAG Pipeline

A 2025 peer-reviewed study (Vectara, NAACL 2025) found something most RAG teams get...

Dev.to · AlterLab 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

Optimizing Web Scraping Data to Reduce RAG Token Costs

Feeding raw HTML into a Retrieval-Augmented Generation (RAG) pipeline is a fast way to burn through...

Dev.to · Eduardo Borges 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

RAG Is Failing in Production — Here’s Why (and What I’m Testing Instead)

RAG (Retrieval-Augmented Generation) looks great in demos. But in real-world systems, it often fails...

Dev.to · Kwansub Yun 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

FLAMEHAVEN FileSearch: Why This RAG Engine Feels Different from the Usual Stack

FLAMEHAVEN FileSearch: Why This RAG Engine Feels Different from the Usual Stack RAG is...

Dev.to · pythonassignmenthelp.com 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

Why Running RAG Pipelines on Serverless Functions Was Harder Than I Expected

You know that feeling when you think you’ve nailed a scalable architecture—only to watch your...

Dev.to · System Rationale 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

RAG vs GraphRAG: When to Use What (From a Builder’s Perspective)

I wasted time overengineering a GraphRAG system… when a simple RAG pipeline would’ve done the job...

Dev.to · Anurag Srivastava 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

I built a production RAG pipeline. Here's what most tutorials skip.

I wanted a RAG system that was fast to run and fast to set up for clients. Upload a PDF, ask...

Dev.to · Nrk Raju Guthikonda 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago

Building RAG Pipelines That Actually Work: Lessons from Microsoft Copilot

Most RAG tutorials show you the happy path. You chunk a handful of PDFs, toss them into a vector...

Dev.to · Akromdev 🔍 RAG & Vector Search 3mo ago

I Built an AI Chatbot That Knows Everything About Me

How I built a RAG chatbot for my portfolio site using local embeddings, a JSON file, and zero monthly cost.

Dev.to · Seenivasa Ramadurai 🔍 RAG & Vector Search 3mo ago

Retrieval Finds Candidates. Reranking Finds the Right One.

A hiring analogy that finally makes RAG Reranking click First, What Is RAG? Before we get...

Dev.to · Beck_Moulton 🔍 RAG & Vector Search 3mo ago

Build Your Own AI Medical Brain: Transforming PDF Health Reports into a Graph-RAG Powerhouse with Neo4j and LangChain

We’ve all been there: you get your annual health checkup results as a messy, 20-page PDF filled with...

Dev.to · Pablo Ifrán 🔍 RAG & Vector Search 3mo ago

Building Production RAG Systems with PostgreSQL: Complete Implementation Guide

Step-by-step guide to building RAG systems that actually work in production, with working code and performance optimization

Dev.to · PHP CMS Framework 🔍 RAG & Vector Search 3mo ago

Building a RAG System in Laravel from Scratch

Most RAG tutorials start with "first, sign up for Pinecone." I'm going to skip that entirely. For the...

Dev.to · Daniel Romitelli 🔍 RAG & Vector Search 3mo ago

The Search Router That Saved Me From One Index to Rule Them All: Azure AI Search for CRM, pgvector for Transcripts, the CRM a...

I hit the moment every enterprise AI system eventually hits: one query needed faceting and synonym maps, another needed raw vector similarity over ...

Dev.to · Marcin Niemira 🔍 RAG & Vector Search 3mo ago

Simple and cheap RAG - genai-toolbox and pgvector

I recently hit a common architectural fork in the road while building my ADK (Agent Development Kit)...

Dev.to · SIGNAL 🔍 RAG & Vector Search 3mo ago

Build a Local RAG Pipeline With Ollama + pgvector — No API Keys, No Cloud

Retrieval-Augmented Generation is one of those ideas that sounds complex until you actually build it....

Dev.to · Subrata Kumar Das 🔍 RAG & Vector Search 3mo ago

Building a Local RAG System with Citations (No Hallucinations)

Part of my 24-week journey: Mapping the Blueprint for the 2030 AI Stack By Subrata Kumar Das ...

Dev.to · Elizabeth Fuentes L 🔍 RAG & Vector Search 3mo ago

Detén las Hallucinations en Agentes de IA: 4 Técnicas Esenciales

4 técnicas para detener las hallucinations en AI agents: Graph-RAG para recuperación precisa de...

Dev.to · Steven Leggett 🔍 RAG & Vector Search 3mo ago

Setting Up CocoIndex with Docker and pgvector - A Practical Guide

A step-by-step guide to setting up CocoIndex with Docker, pgvector, and semantic search - covering all the gotchas the docs don't mention.

Dev.to · InterSystems Developer 🔍 RAG & Vector Search 3mo ago

Building a Medical History Chatbot - FHIR, Vector Search and RAG for beginners

Introduction Earlier this year, I set about creating kit to introduce young techy folk at...

Dev.to · SurfaceDocs 🔍 RAG & Vector Search 3mo ago

SurfaceDocs + LlamaIndex: From RAG Pipeline to Shareable Report

Your RAG pipeline answers questions beautifully — then the output prints to stdout and dies. Here's how to give it a permanent, shareable home with SurfaceDocs.

Dev.to · Neural Download 🔍 RAG & Vector Search 3mo ago

The Embedding Space: Where Words Become Geometry

https://www.youtube.com/watch?v=1sQffYYe6Y8 How Computers Understand Meaning: The Math...

Dev.to · Ananya S 🔍 RAG & Vector Search 3mo ago

Stop Calling FAISS a Database: The VectorStore vs. VectorDB Showdown🧠⚡

If you’ve been building with LangChain, you’ve probably used Chroma or FAISS and called them...

Dev.to · Martin Palopoli 🔍 RAG & Vector Search 3mo ago

How I Built a Production RAG Pipeline with FastAPI, pgvector and Cross-Encoder Reranking

I built a production RAG engine that combines hybrid search (pgvector + BM25), cross-encoder...

Dev.to · Kurotsuba 🔍 RAG & Vector Search 3mo ago

Building a Vector Database from Scratch

Building a Vector Database from Scratch I have built a vector database with Rust from...

Dev.to · Dhananjay Lakkawar 🔍 RAG & Vector Search 3mo ago

Stop Overpaying for VectorDBs: Architecting Serverless RAG on AWS

Building a Retrieval-Augmented Generation (RAG) prototype takes a weekend. Taking that prototype to...

Dev.to · Swapanth Vakapalli 🔍 RAG & Vector Search 3mo ago

I built ragway — a Python RAG library controlled by a single YAML file

I spent the last few months building ragway, a Python RAG library where the entire pipeline is...

Dev.to · Lukas 🔍 RAG & Vector Search 3mo ago

RAG Is a Data Problem Before It’s a Prompt Problem

I made this mistake myself while debugging a RAG pipeline. If your RAG feature keeps returning...

Dev.to · Damla Hamurcu 🔍 RAG & Vector Search 3mo ago

Build an MCP Server That Finds Your RAG Chatbot's Blind Spots

RAG chatbots fail silently. Imagine you've hired a chatbot to handle FAQs on your behalf, so you can...

Dev.to · Abhishek Nair 🔍 RAG & Vector Search 3mo ago

Building Production-Ready AI Document Processing Pipelines with RAG

A battle-tested guide to architecting, implementing, and scaling document intelligence systems that...

Dev.to · GPU-Bridge 🔍 RAG & Vector Search 3mo ago

GPU-Bridge + LlamaIndex: Embeddings and Reranking in One Line

Drop-in LlamaIndex integration for GPU-Bridge. High-throughput embeddings at $0.00002/call and semantic reranking for RAG pipelines.

Dev.to · Allan Roberto 🔍 RAG & Vector Search 3mo ago

Building Semantic Search with Spring Boot, PostgreSQL, and pgvector (RAG Retrieval)

In the previous article, we built the indexing pipeline for our knowledge base: documents are...

Dev.to · Praneet Gogoi 🔍 RAG & Vector Search 3mo ago

Moving Beyond Static RAG:Buiding a Live Financial Quant MCP Server for Real-Time Market Analysis

Most developers today associate Retrieval-Augmented Generation (RAG) with one thing: Embeddings +...

Dev.to · ensei mania 🔍 RAG & Vector Search 3mo ago

Beyond SEO: Generative Engine Optimization (GEO). How to Implement `llms.txt` and RAG-Friendly Markup

Hi DEV community! I'm Yusuke Sato, CEO of LIFRELL. I travel to tech conferences across the US,...

Dev.to · Mario García 🔍 RAG & Vector Search 3mo ago

PostgreSQL: First Approach to Vector Databases with pgvector and Python

If you're already familiar with relational databases like PostgreSQL, you're one step closer to start...

Dev.to · Muhammad Arslan 🔍 RAG & Vector Search 3mo ago

Build a GraphRAG Knowledge Base in NodeJS

We've released hazeljs-rag-graph-starter — a production-ready example that indexes the entire HazelJS...

Dev.to · Dr Hernani Costa 🔍 RAG & Vector Search 3mo ago

Fine-Tuned Small Models Beat RAG: The 2026 Economics

When your support team processes 10,000 tickets monthly, the difference between a $0.001 and $0.1...

Dev.to · Victor García 🔍 RAG & Vector Search 3mo ago

The 4-slot hook pipeline: how every CRUD operation feeds four systems at once"

A simple post-CRUD pipeline that feeds embeddings, heat tracking, entity extraction, and the changelog — without any of them blocking each other or the user.

Dev.to · Harish Kotra (he/him) 🔍 RAG & Vector Search 3mo ago

Building WhisperGrid: The Future of Multimodal Semantic Search with Gemini Embedding 2

In the world of search, we've long been confined to keywords. Even with the advent of image search,...

Dev.to · Muhammad Arslan 🔍 RAG & Vector Search 3mo ago

RAG vs Agentic RAG: When to Use in NodeJS

Both RAG and Agentic RAG in HazelJS use the same foundation — vector stores, embeddings, and document...