OpenWebUI: VPS configuration on Hetzner

I was wondering which VPS settings on Hetzner work best for OpenWebUI.
I experimented a lot and found a configuration that is both powerful and cost effective.

My configuration

• Instance type:
  I use the CX21 instance.
  It offers 2 vCPUs, 4GB RAM and about 40GB SSD storage.
  The setup runs stable and without unnecessary costs.
• Operating system:
  I use Ubuntu 22.04 LTS.
  It is stable, user-friendly and secure.
• Network & Security:
  I set up the firewall correctly and use SSH keys for secure access.
  This is how I keep the server running safely and smoothly.
• Scalability:
  For higher loads or intensive use, I switch to the CX31.
  This offers more CPU power and additional RAM for a noticeable performance boost.

Why these settings?

• Balanced performance:
  2 vCPUs and 4GB RAM provide enough power for the smooth operation of OpenWebUI.
• Cost efficiency:
  With the CX21 I save money without sacrificing performance.
• Simplicity & Security:
  Ubuntu and standardized security practices make setup and maintenance easy.

FAQs

Q: Can I run OpenWebUI on a smaller instance like CX11?
A: This is theoretically possible, but I recommend at least the CX21 for stable operation.

Q: What do I do if usage increases?
A: Hetzner makes it easy to upgrade to a higher instance like the CX31 if you need more performance.

Q: Do I need a GPU instance?
A: For OpenWebUI alone, a CPU-based VPS is usually sufficient.
However, for computationally intensive graphics processing, you should resort to specialized solutions.

final thoughts

This configuration is my favorite for OpenWebUI on Hetzner.
It is simple, effective and can be easily scaled.
Try it out and adjust the settings to your needs – it worked great for me.