Marius Sandbu • 8/12/2026

Set up OpenwebUI on Docker with Foundry and Entra ID Authentication (Caddy)

This article provides a detailed tutorial for deploying OpenWebUI, a user-friendly AI interface, on a Docker-based Ubuntu VM. It covers installing Docker, Caddy as a reverse proxy, and Let's Encrypt for SSL certificates. The setup integrates Foundry for model inference, Postgres for vector storage, and Entra ID (Microsoft OIDC) for authentication. The guide includes configuration steps for Caddyfile, environment variables for OIDC, and notes on DNS and firewall requirements. It is intended for IT professionals setting up a secure, self-hosted GenAI chat solution.

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#docker #Caddy #Entra ID