Improved function body

api/app.py

@@ -53,7 +53,7 @@ def create_app(config_name="default"):
 
     # Fill database by initial values (only if we are not testing)
     with app.app_context():
-        wait_for_db()
+        wait_for_db(max_retries=100)
         db.create_all()
         if config_name != "testing":
             init_db()

api/utils.py

@@ -30,20 +30,15 @@ def get_user_or_404(user_id):
     return user
 
 
-MAX_RETRIES = 100
-
-def wait_for_db():
-    for retries in range(MAX_RETRIES):
+def wait_for_db(max_retries):
+    for _ in range(max_retries):
         try:
             with db.engine.connect() as connection:
                 connection.execute(text("SELECT 1"))
-            print("Successfully connected with database.")
             return
         except DatabaseError:
-            print(f"Waiting for database... (retry {retries + 1})")
             time.sleep(3)
-    print("Failed to connect to database.")
-    raise Exception("Database not ready after multiple retries.")
+    raise Exception("Failed to connect to database.")
 
 
 def init_db():