TAG=<version number>
SERVICE_API_BIND_PORT=<service port>
JWT_SECRET=<the secret used to sign jwt token>
MONGO_ROOT_PASSWORD=<mongo root user password>
MONGO_NON_ROOT_USERNAME=<mongo non root username>
MONGO_NON_ROOT_PASSWORD=<mongo non root user password>
MONGO_PORT=<mongo port>
MONGO_DB_HOST_AND_PORT=<host:port used by the api to connect to mongo db>
ME_CONFIG_BASICAUTH_USERNAME=<mongo express username>
ME_CONFIG_BASICAUTH_PASSWORD=<mongo express password>
ME_PORT=<mongo express port>