Runtime - Gateways


Purpose	A runtime resource records a language runtime (for example Node.js 20, Python 3.12) that you can connect to servers or scalable servers so the platform installs that runtime on the machine over SSH.
Create menu	Single entry: Runtime — “Add a runtime environment (Node, Python, Go, etc.).” There is no submenu at Create time (unlike Application or Database).
API subtype	`runtime`.

After you choose Runtime from Create, the configuration panel opens. That panel is where the UI behaves like a runtime submenu: you pick a language family, a version for that family, and (for some families) an application server stack. See:

Families and versions — Horizontal family selector, version dropdown, data from GET /api/runtimes.
Application servers — Optional server stack (Uvicorn, Gunicorn, Kestrel, etc.) when the family supports it.
Canvas and connections — Linking runtimes to instances, install behavior, APIs.

Typical use: Define “we standardize on Node 20” or “Python 3.11 + Uvicorn” as a card, then connect that card to one or more server / scalable server resources so workloads on those hosts use the same runtime. ← Resource types hub

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