Update Dockerfile

Dockerfile

@@ -25,9 +25,6 @@ RUN pip install --no-cache-dir -r requirements.txt
 
 RUN export FLASK_APP=superset
 
-# Initialize the database
-RUN superset db upgrade
-
 # Create an admin user
 RUN superset fab create-admin \
     --username admin \
@@ -36,6 +33,9 @@ RUN superset fab create-admin \
     --email [email protected] \
     --password admin
 
+# Initialize the database
+RUN superset db upgrade
+
 # Load some data to play with
 RUN superset load_examples