Architecture Overview

What this page is for

Describe the runtime architecture and data flow used by RAGler.

System diagram

High-level components

Component	Technology	Role
Frontend	Next.js 16, Tailwind CSS 4	User interface for all operations
Backend API	NestJS	REST API with Swagger docs at /api/docs, built-in MCP server at /mcp
Redis	Redis Alpine	Draft session storage with TTL
Qdrant	Qdrant	Published chunk vectors + metadata
OpenAI	OpenAI API	LLM chunking, embeddings, agent chat

Data flow

Next steps

• System Design
• Data Model
• Modules