Building a Personal RAG Knowledge Base

Why Low-Code Platforms

Dify and FastGPT encapsulate RAG’s complex tech stack, letting individual developers build a knowledge base Q&A system in 10 minutes.

Dify Setup

Knowledge Base Config:
  Format: Markdown
  Chunk Size: 500 tokens
  Overlap: 50 tokens
  Embedding: BGE-large
  Top-K: 4

Connecting Obsidian

Mount your Obsidian vault directory to the knowledge base. Notes auto-reindex after updates. With the template system from Obsidian Getting Started Guide, your notes are the knowledge base’s data source.

For RAG fundamentals, see RAG Retrieval-Augmented Generation in Practice.