I take the same error.What could I do?

Traceback (most recent call last):
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/engine/base.py", line 146, in __init__
    self._dbapi_connection = engine.raw_connection()
                             ^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/engine/base.py", line 3298, in raw_connection
    return self.pool.connect()
           ^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/base.py", line 449, in connect
    return _ConnectionFairy._checkout(self)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/base.py", line 1264, in _checkout
    fairy = _ConnectionRecord.checkout(pool)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/base.py", line 713, in checkout
    rec = pool._do_get()
          ^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/impl.py", line 179, in _do_get
    with util.safe_reraise():
         ^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/util/langhelpers.py", line 146, in __exit__
    raise exc_value.with_traceback(exc_tb)
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/impl.py", line 177, in _do_get
    return self._create_connection()
           ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/base.py", line 390, in _create_connection
    return _ConnectionRecord(self)
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/base.py", line 675, in __init__
    self.__connect()
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/base.py", line 901, in __connect
    with util.safe_reraise():
         ^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/util/langhelpers.py", line 146, in __exit__
    raise exc_value.with_traceback(exc_tb)
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/base.py", line 897, in __connect
    self.dbapi_connection = connection = pool._invoke_creator(self)
                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/engine/create.py", line 646, in connect
    return dialect.connect(*cargs, **cparams)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/engine/default.py", line 622, in connect
    return self.loaded_dbapi.connect(*cargs, **cparams)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/psycopg2/__init__.py", line 122, in connect
    conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
psycopg2.OperationalError: could not translate host name "db" to address: nodename nor servname provided, or not known


The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/backend/app.py", line 130, in <module>
    db.create_all()
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/flask_sqlalchemy/extension.py", line 900, in create_all
    self._call_for_binds(bind_key, "create_all")
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/flask_sqlalchemy/extension.py", line 881, in _call_for_binds
    getattr(metadata, op_name)(bind=engine)
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/sql/schema.py", line 5907, in create_all
    bind._run_ddl_visitor(
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/engine/base.py", line 3248, in _run_ddl_visitor
    with self.begin() as conn:
         ^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/contextlib.py", line 137, in __enter__
    return next(self.gen)
           ^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/engine/base.py", line 3238, in begin
    with self.connect() as conn:
         ^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/engine/base.py", line 3274, in connect
    return self._connection_cls(self)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/engine/base.py", line 148, in __init__
    Connection._handle_dbapi_exception_noconnection(
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/engine/base.py", line 2439, in _handle_dbapi_exception_noconnection
    raise sqlalchemy_exception.with_traceback(exc_info[2]) from e
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/engine/base.py", line 146, in __init__
    self._dbapi_connection = engine.raw_connection()
                             ^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/engine/base.py", line 3298, in raw_connection
    return self.pool.connect()
           ^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/base.py", line 449, in connect
    return _ConnectionFairy._checkout(self)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/base.py", line 1264, in _checkout
    fairy = _ConnectionRecord.checkout(pool)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/base.py", line 713, in checkout
    rec = pool._do_get()
          ^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/impl.py", line 179, in _do_get
    with util.safe_reraise():
         ^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/util/langhelpers.py", line 146, in __exit__
    raise exc_value.with_traceback(exc_tb)
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/impl.py", line 177, in _do_get
    return self._create_connection()
           ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/base.py", line 390, in _create_connection
    return _ConnectionRecord(self)
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/base.py", line 675, in __init__
    self.__connect()
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/base.py", line 901, in __connect
    with util.safe_reraise():
         ^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/util/langhelpers.py", line 146, in __exit__
    raise exc_value.with_traceback(exc_tb)
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/pool/base.py", line 897, in __connect
    self.dbapi_connection = connection = pool._invoke_creator(self)
                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/engine/create.py", line 646, in connect
    return dialect.connect(*cargs, **cparams)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/sqlalchemy/engine/default.py", line 622, in connect
    return self.loaded_dbapi.connect(*cargs, **cparams)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/feyzaerdogan/Downloads/gorev-yonetimi-api/.venv/lib/python3.12/site-packages/psycopg2/__init__.py", line 122, in connect
    conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
sqlalchemy.exc.OperationalError: (psycopg2.OperationalError) could not translate host name "db" to address: nodename nor servname provided, or not known

(Background on this error at: https://sqlalche.me/e/20/e3q8)