Create a routes constants file and a router for getting routes in app

src/main.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 
+from src.services.router import Router
 from src.services.notifications import NotificationService, get_notification_service
 from src.services.email import EmailService, get_email_service
 from src.services.auth import AuthService
@@ -23,6 +24,7 @@ class AppServices:
     auth: AuthService
     email: EmailService
     notifications: NotificationService
+    router: Router
 
 
 class MyFlask(Flask):
@@ -31,19 +33,24 @@ class MyFlask(Flask):
 
 def create_app(name: str, config: Config) -> Flask:
     logging.basicConfig(level=config.logging.level, format=('%(asctime)s %(levelname)s [%(name)s] %(message)s'))
-
     app = MyFlask(name)
+
+    # Configure Services
     database = get_database(config.database)
     user_repo = UserRepoImpl(database)
     email_service = get_email_service(config.email)
+    auth_service = AuthService(config.auth)
+    router = Router(config.host, config.port)
+
     app.services = AppServices(
-        users=UserService(user_repo, email_service),
-        auth=AuthService(config.auth),
+        users=UserService(repo=user_repo, email_service=email_service, auth_service=auth_service, router=router),
+        auth=auth_service,
         email=email_service,
         notifications=get_notification_service(email_service),
+        router=router,
     )
 
-    if config.host:
+    if config.host != '0.0.0.0':
         app.config['SERVER_NAME'] = config.host
 
     return app