Open WebUI Complete Setup Guide: Your Local AI Dashboard

Open WebUI Complete Setup Guide: Your Local AI Dashboard

Open WebUI is the best self-hosted interface for local LLMs in 2025. It connects to Ollama and OpenAI-compatible APIs, supports multi-modal inputs, has a built-in RAG pipeline, and runs as a Docker container with a polished ChatGPT-like interface. If you haven't set it up yet, this guide gets you there in under 20 minutes.

Prerequisites: Docker installed, Ollama running locally. That's it. For hardware to run this stack, any setup from LLMHardware.io's build guides works — even a budget $400 PC handles 7B models well with Open WebUI.

Quick Start

Single command install: docker run -d -p 3000:8080 --add-host=host.docker.internal:host-gateway -v open-webui:/app/backend/data --name open-webui --restart always ghcr.io/open-webui/open-webui:main. Open http://localhost:3000 and create an admin account. Open WebUI auto-discovers Ollama models at host.docker.internal:11434. The first account created becomes admin automatically.

Key Features to Configure

Enable document RAG under Admin Panel > Documents. Upload PDFs, text files, or web pages — Open WebUI chunks and embeds them automatically using a local embedding model. Set up model-specific system prompts under Admin > Models. Enable image generation by connecting to a local Stable Diffusion instance or DALL-E API. The web search feature integrates with SearXNG for privacy-preserving search-augmented responses.

Multi-User Setup

Open WebUI supports multiple user accounts with role-based access. Admins can restrict which models specific users can access. User conversation history is stored per-account. For family or team deployments, configure Tailscale or a reverse proxy (nginx, Caddy) for secure access from outside the home network. The Docker volume persists all settings and conversation history across container updates.

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