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infra/stacks/jupyterhub/README.md

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feat: SQL=postgres, nginx+certbot, MQTT split, ML stacks, gitea HTTPS-only, gemaal1 site Round-2 changes locking in scaffold-phase decisions and adding ML/notebook stacks. Locked decisions - sql: postgres 16-alpine (was TBD); init.d/ mount for per-app DB provisioning - nginx-proxy: stock nginx + certbot sidecar (was nginx:alpine TODO). Chose stock over nginxproxy/nginx-proxy because stream{} is required for MQTT-TLS reverse-proxy on tcp/8883 to rabbitmq:1883. - gitea: HTTPS-only (DISABLE_SSH=true). No SSH port published. MQTT split - Remove stacks/mqtt placeholder. - Add stacks/rabbitmq — general-purpose broker (AMQP + MQTT plugin), used at both cloud and edge. External MQTT clients reach cloud broker via nginx stream-proxy on 8883. - Add stacks/mosquitto — reserved for the FROST (SensorThings) stack only. Cloud-only. Internal to its own stack; no external ingress. ML / notebooks (cloud-only) - stacks/mlflow — experiment tracking + model registry. Postgres backend on sql stack; local volume for artifacts (S3/MinIO is a TODO). - stacks/jupyterhub — multi-user notebook server. DockerSpawner via mounted docker.sock; users spawn into cloud-app network so they can reach mlflow, influxdb (via grafana), rabbitmq. Sites - sites/gemaal1 — first edge deployment scaffold. Site-local override template for binding nginx to PLANT_LAN_IP. Docs - README + docs/architecture.md updated: stacks table now lists 15 stacks, ingress + attachment tables reflect mlflow/jupyterhub, TLS strategy section locked, MQTT-split section added, Gitea HTTPS-only noted. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-21 13:22:46 +02:00
# jupyterhub
Multi-user JupyterHub. Each authenticated user gets their own notebook container via DockerSpawner. **Cloud-only.**
- **Networks**: `app` (UI proxied at `/jupyter` or subdomain) + `mgmt` (Docker socket so JupyterHub can spawn user containers)
- **Spawned user containers** land on the `cloud-app` network so they can reach mlflow, influxdb (via grafana proxy), rabbitmq
- **Config**: `config/jupyterhub_config.py` — DockerSpawner setup, authenticator, admin list, resource limits
## TODO
- DockerSpawner config (image, network, user volumes, idle culling)
- Keycloak OAuth via `oauthenticator.generic.GenericOAuthenticator`
- Build a project-specific notebook image with EVOLV libs + mlflow client + InfluxDB client preinstalled
- Per-user persistent volume mounted at `/home/jovyan/work`
- CPU / memory limits per user container
- Cull idle servers (`c.JupyterHub.services` cull-idle pattern)