Font Render Service

Admin token: an admin-scope client token or the legacy FONT_RENDER_TOKEN.

Font Render admin
Developer mode is on — the clients below can deploy any code to this server.

Server

Load

Machine

Font cache

Browsers

Client activity since restart

Per-minute samples; pool state sampled every second. Red bands — overload episodes.

Overload episodes queue full (429), timeouts (504), server errors, queue wait over threshold

Traffic per client request + response body bytes; nothing about the content

Daily volume, last 30 days in + out, by client

New token for

Shown once. The server keeps only its hash.

Clients

Add client

Access settings

Recent requests in memory, since restart; admin page reads not included

Service log


      

Code

Service

Exits the process; NSSM starts it again. Cached fonts are dropped (clients re-upload on 409); admin sessions survive.

Closes all browsers (busy ones after their render); new ones start on demand.

Drops every client's cached fonts; clients re-upload on 409.

Runs playwright install as the service account (up to 2 min).

Audit log installs, token resets, updates, developer mode

Configuration saved on the server in data/settings.json, overrides .env; most apply at once