Use correct parameter names in web app deploy (#202)

Author: stevehaigh

.pipelines/diabetes_regression-ci-build-train.yml

@@ -182,7 +182,8 @@ stages:
       inputs:
         azureSubscription: 'AzureResourceConnection'
         appName: '$(WEBAPP_DEPLOYMENT_NAME)'
-        containers: '$(IMAGE_LOCATION)'
+        resourceGroupName: '$(RESOURCE_GROUP)'
+        imageName: '$(IMAGE_LOCATION)'
     - task: AzureCLI@1
       displayName: 'Smoke test'
       inputs: