This project contains one part of the backend infrastructure for the git-introduction talk. The task of this program is to spawn containers with the 'userland' image for users when they connect to the backend.
The container image is configurable and should provide a simple to use shell.
This service can be configured entirely using environment variables. It is based on the service lib, please refer to its documentation for how to configure the websocket connection.
Additional environment variables and their meaning are described below:
| Name | Type | Description |
|---|---|---|
USER_IMAGE |
string | Docker image to use for spawned containers |
USER_ALLOW_NETWORK |
bool | Whether to allow connections to the internat from spawned containers |
USER_INTERNAL_NETWORK |
string | A reference to a docker network created with --internal to communicate with the broker |
USER_NETWORK |
string | A reference to a docker network providing access to the internet. [Required if USER_ALLOW_NETWORK is set to a truthy value] |