Heimdall

[Dec '25] Self-host Mistral models locally, using Ollama+OpenWebUI.

Mistral AI

Allows the web UI to connect from any origin.

Points OpenWebUI to the internal Ollama API endpoint for model access.

Secret key used by OpenWebUI to secure sessions and authentication.

You can specify the Mistral model to download at boot time (from https://ollama.com/library). Default is mistral:7b

Allows Ollama to listen on all interfaces

Comma-separated list of allowed origins for CORS. Needed if you’re connecting a web app (like OpenWebUI) from a different host/domain