DEV Community

Aleksei Aleinikov
Aleksei Aleinikov

Posted on

πŸš€ RAG in Go: From Zero to Answers in One Evening

Thought building a RAG service needs big infra? Think again.

With just Go + PostgreSQL (pgvector) + LocalAI, you can go from nothing to:
β€’Store embeddings in Postgres
β€’Fetch nearest chunks with cosine search
β€’Get grounded answers from a local model
~150 lines of Go, no heavy frameworks β€” just practical building blocks.

πŸ‘‰ Full walkthrough with code
https://medium.com/codetodeploy/build-a-basic-rag-service-in-go-2025-3b23b196787a

Top comments (0)