minor container tweaks

Change-Id: Ie57507f38c7749d5e1fb9d2d639c29762c5e4e77

Author: wescpy

step4-cloudds-cloudrun-py3/main.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 from datetime import datetime
-import os
 from flask import Flask, render_template, request
 from google.cloud import datastore
 
@@ -40,5 +39,6 @@ def root():
     return render_template('index.html', visits=visits)
 
 if __name__ == '__main__':
+    import os
     app.run(debug=True, threaded=True, host='0.0.0.0',
             port=int(os.environ.get('PORT', 8080)))

step4a-cloudrun-bldpks-py3/service.yaml

@@ -18,7 +18,7 @@ metadata:
   name: default
   labels:
     migrated-from: app-engine
-    cloud.googleapis.com/location: us-west1
+    cloud.googleapis.com/location: APP_REGION
 spec:
   template:
     metadata: