I think it is working now...

docker-compose.staging.yml

@@ -4,11 +4,6 @@ services:
     auth-service_mongo:
         container_name: ${CONTAINER_PREFIX}-auth-service_mongo
         env_file: .env
-        environment:
-            - ALLOW_EMPTY_PASSWORD=yes
-            - MONGO_INITDB_ROOT_USERNAME=${DB_USERNAME}
-            - MONGO_INITDB_ROOT_PASSWORD=${DB_PASSWORD}
-            - MONGO_INITDB_DATABASE=${DB_NAME}
         networks:
             - docknet
         volumes:
@@ -20,21 +15,7 @@ services:
         build: .
         container_name: ${CONTAINER_PREFIX}-auth-service
         environment:
-            - PORT=${PORT}
-            - ROUTE_PREFIX=${ROUTE_PREFIX}
-            - LOGIN_ROUTE=${LOGIN_ROUTE}
-            - RESET_ROUTE=${RESET_ROUTE}
             - DB_HOST=${CONTAINER_PREFIX}-auth-service_mongo
-            - DB_USERNAME=${DB_USERNAME}
-            - DB_PASSWORD=${DB_PASSWORD}
-            - DB_NAME=${DB_NAME}
-            - SESSION_KEY=${SESSION_KEY}
-            - JWT_AUDIENCE=${JWT_AUDIENCE}
-            - JWT_ISSUER=${JWT_ISSUER}
-            - JWT_SECRET=${JWT_SECRET}
-            - LOGIN_VALID_TIME=${LOGIN_VALID_TIME}
-            - RESET_VALID_MINUTES=${RESET_VALID_MINUTES}
-            - DEFAULT_TOKEN_DAYS=${DEFAULT_TOKEN_DAYS}
         labels:
             - 'traefik.enable=true'
             - 'traefik.http.routers.grow.rule=Host(`${HOST}`) && Path(`${ROUTE_PREFIX}`)'
@@ -47,10 +28,9 @@ services:
             - docknet
         restart: unless-stopped
         image: node
-        links:
-            - auth-service_mongo:${CONTAINER_PREFIX}-auth-service_mongo
         depends_on:
             - auth-service_mongo
 networks:
     docknet:
         name: docknet
+        external: true