I am just studying django ecommerce project via youtube, when it comes connect cloud postgresql i got an error. I done same as the youtuber did but when python manage.py runserver it shows an error.

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\db\migrations\executor.py", line 18, in init

self.loader = MigrationLoader(self.connection)

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\db\migrations\loader.py", line 58, in init

self.build_graph()

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\db\migrations\loader.py", line 235, in build_graph

self.applied_migrations = recorder.applied_migrations()

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\db\migrations\recorder.py", line 89, in applied_migrations

if self.has_table():

^^^^^^^^^^^^^^^^

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\db\migrations\recorder.py", line 63, in has_table

with self.connection.cursor() as cursor:

^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\utils\asyncio.py", line 26, in inner

return func(*args, **kwargs)

^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\db\backends\base\base.py", line 320, in cursor

return self._cursor()

^^^^^^^^^^^^^^

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\db\backends\base\base.py", line 296, in _cursor

self.ensure_connection()

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\utils\asyncio.py", line 26, in inner

return func(*args, **kwargs)

^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\db\backends\base\base.py", line 278, in ensure_connection

with self.wrap_database_errors:

^^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\db\utils.py", line 91, in exit

raise dj_exc_value.with_traceback(traceback) from exc_value

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\db\backends\base\base.py", line 279, in ensure_connection

self.connect()

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\utils\asyncio.py", line 26, in inner

return func(*args, **kwargs)

^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\db\backends\base\base.py", line 256, in connect

self.connection = self.get_new_connection(conn_params)

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\utils\asyncio.py", line 26, in inner

return func(*args, **kwargs)

^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\django\db\backends\postgresql\base.py", line 332, in get_new_connection

connection = self.Database.connect(**conn_params)

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\amjad\Desktop\ecom\virt\Lib\site-packages\psycopg2\__init__.py", line 122, in connect

conn = connect(dsn, connectionfactory=connection_factory, **kwasync)

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

django.db.utils.OperationalError: could not translate host name "postgres.railway.internal" to address: No such host is known.

i just shared half of the error

the same occurs when runserver