Hello, Apologies but we can only do support in English. Could you please re-submit this ticket in English? Best, The Railway Team

OK, I'll send it in English.

File "/app/core/[banco.py](http://banco.py)", line 19, in get\_db Verificando banco de dados MySQL... from app import app # Mantém o teu import original g.db = mysql.connector.connect(\*\*MYSQL\_CONFIG) Traceback (most recent call last): ^^^^^^^^^^^^^^^^^^^ The above exception was the direct cause of the following exception: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/[app.py](http://app.py)", line 22, in <module> File "/usr/local/lib/python3.11/site-packages/mysql/connector/[pooling.py](http://pooling.py)", line 293, in connect File "/app/core/[banco.py](http://banco.py)", line 25, in init\_db init\_db() return CMySQLConnection(\*args, \*\*kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ db, cursor = get\_db() Traceback (most recent call last): ^^^^^^^^ File "/usr/local/lib/python3.11/site-packages/mysql/connector/connection\_[cext.py](http://cext.py)", line 308, in _open_connection File "/app/[serve.py](http://serve.py)", line 3, in <module> self.\_cmysql.connect(\*\*cnx\_kwargs) _mysql_connector.MySQLInterfaceError: Can't connect to MySQL server on '[localhost:3306](http://localhost:3306)' (111) self.connect(\*\*kwargs) File "/usr/local/lib/python3.11/site-packages/mysql/connector/[abstracts.py](http://abstracts.py)", line 1237, in connect self.\_open\_connection() File "/usr/local/lib/python3.11/site-packages/mysql/connector/connection\_[cext.py](http://cext.py)", line 313, in _open_connection raise get\_mysql\_exception( mysql.connector.errors.DatabaseError: 2003 (HY000): Can't connect to MySQL server on '[localhost:3306](http://localhost:3306)' (111) File "/usr/local/lib/python3.11/site-packages/mysql/connector/connection\_[cext.py](http://cext.py)", line 129, in **init** Starting Container ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Verificando banco de dados MySQL... Traceback (most recent call last): File "/usr/local/lib/python3.11/site-packages/mysql/connector/[pooling.py](http://pooling.py)", line 293, in connect File "/usr/local/lib/python3.11/site-packages/mysql/connector/connection\_[cext.py](http://cext.py)", line 308, in _open_connection return CMySQLConnection(\*args, \*\*kwargs) self.\_cmysql.connect(\*\*cnx\_kwargs) _mysql_connector.MySQLInterfaceError: Can't connect to MySQL server on '[localhost:3306](http://localhost:3306)' (111)