diff --git a/deploy/init_pg.py b/deploy/init_pg.py
index e1d9ff7..5818603 100644
--- a/deploy/init_pg.py
+++ b/deploy/init_pg.py
@@ -2,7 +2,10 @@
 
 from sqlalchemy import text
 
+from src.auth.models import Group, Role, User
 from src.db.session import async_session
+from src.enums import ReservedRoleSlug
+
 
 async def create_pg_extensions() -> None:
     async with async_session() as session:
@@ -10,7 +13,29 @@ async def create_pg_extensions() -> None:
         await session.execute(text('create EXTENSION if not EXISTS "hstore"'))
         await session.commit()
 
+
+async def create_init_user() -> None:
+    async with async_session() as session:
+        new_role = Role(name="Administrator", slug=ReservedRoleSlug.ADMIN, description="App system admin")
+        session.add(new_role)
+        await session.commit()
+        new_group = Group(
+            name="System Administrator",
+            description="App systemic administrators group",
+            role_id=new_role.id,
+            user=[
+                User(
+                    name="Administrator",
+                    email="admin@system.com",
+                    password="admin",  # noqa: S106
+                    role_id=new_role.id,
+                )
+            ],
+        )
+        session.add(new_group)
+        await session.commit()
+
+
 if __name__ == "__main__":
     asyncio.run(create_pg_extensions())
-    
-
+    asyncio.run(create_init_user())
diff --git a/src/auth/models.py b/src/auth/models.py
index 088491b..1a70be7 100644
--- a/src/auth/models.py
+++ b/src/auth/models.py
@@ -67,7 +67,7 @@ class User(Base, AuditTimeMixin):
     group: Mapped["Group"] = relationship(back_populates="user", passive_deletes=True)
     role_id: Mapped[int] = mapped_column(ForeignKey(Role.id, ondelete="CASCADE"))
     role: Mapped["Role"] = relationship(backref="user", passive_deletes=True)
-    auth_info: Mapped[dict] = mapped_column(MutableDict.as_mutable(JSON))
+    auth_info: Mapped[dict | None] = mapped_column(MutableDict.as_mutable(JSON))
 
 
 Group.user_count = column_property(