Infrastructure and deployment improvements

[jenstroeger]

The infrastructure is currently a simple Docker Compose setup. We should move towards a more integrated solution and I strongly lean towards using Pulumi here.

[jenstroeger]

I also just came across Railway which looks interesting.

[jenstroeger]

In this context we also should look into Docker Hardened Images (DHI):

• Blog: Docker Hardened Images: Security Independently Validated by SRLabs
• Blog: What You Should Really Be Asking Your Hardened Image Provider Before You Press the Buy Button
• White paper: What Makes a Container Secure?
• Tutorial: How to harden a Docker image