Endpoints enforce idle timeouts on traffic, so clients will be disconnected after a configurable inactivity timeout.

By default, the inactivity timeout is 60 seconds.

You can set the IDLE_TIMEOUT Configuration variable on Apps to a value in seconds in order to use a different timeout.

For example:

aptible config:set --app "$APP_HANDLE" IDLE_TIMEOUT=1200

The timeout can be set to any value from 30 to 2400 seconds.