Use correct var name

Author: hannaseithe

django_project/settings.py

@@ -89,7 +89,7 @@
     DATABASES = {
         "default": {
             "ENGINE": "django.db.backends.postgresql",
-            "NAME": config("POSTGRES_NAME"),
+            "NAME": config("POSTGRES_DB"),
             "USER": config("POSTGRES_USER"),
             "PASSWORD": config("POSTGRES_PASSWORD"),
             "HOST": config("DATABASE_HOST", default="localhost"),