Env variable MOCKS_SERVER_PLUGINS_ADMIN_API_PORT has not effect

[Maillol]

Describe the bug

We cannot configure the port for the administration REST API using the environment variable: MOCKS_SERVER_PLUGINS_ADMIN_API_PORT

To Reproduce

docker run -e MOCKS_SERVER_PORT=5500 -e MOCKS_SERVER_PLUGINS_ADMIN_API_PORT=5510 mocksserver/main

Expected behavior

The server should display:

14:25:21:87 [info][server] Server started and listening at http://localhost:5500
14:25:21:88 [info][plugins:adminApi:server] Server started and listening at http://localhost:5510

Logs

14:25:21:87 [info][server] Server started and listening at http://localhost:5500
14:25:21:88 [info][plugins:adminApi:server] Server started and listening at http://localhost:3110

** Operating system, Node.js an npm versions, or browser version (please complete the following information):**

• OS: [e.g. Ubuntu 18.04]

Additional context
Add any other context about the problem here.