Docker image and deploy guide

[fabianabarca]

Description

Container and deployment notes.

Acceptance Criteria

• Dockerfile and compose example
• Env/config documented
• Healthchecks

[fabianabarca]

Tracked in #1

[gonguma]

Starts: 2025-11-10
Ends: 2025-11-12
Depends on: #2 #3. To create the Docker image and deployment guide, at least the key components must be operational, such as persistent connections and the registration infrastructure.