Update Dockerfile

Dockerfile

@@ -28,14 +28,13 @@ RUN pip install --no-cache-dir -r requirements.txt
 ENV FLASK_APP=superset
 
 # Create an admin user (non-interactive mode)
-RUN superset fab create-admin --app superset \
+RUN superset fab create-admin \
     --username admin \
     --firstname Admin \
     --lastname User \
     --email [email protected] \
-    --password admin \
-    -f
-
+    --password admin
+    
 # Initialize the database
 RUN superset db upgrade