diff --git a/devops-service/lib/sync_stack_lambda.py b/devops-service/lib/sync_stack_lambda.py
new file mode 100644
index 0000000..b796565
--- /dev/null
+++ b/devops-service/lib/sync_stack_lambda.py
@@ -0,0 +1,21 @@
+# Is used in AWS Lambda to sync stacks when autoscaling group changes.
+
+import base64
+import json
+import urllib
+import urllib2
+
+def lambda_handler(event, context):
+  print("Received event: " + json.dumps(event, indent=2))
+
+  stack_id = event['Records'][0]['Sns']['Message']
+  url = 'http://example.com/v2.0/stack/%s/sync' % stack_id
+  username = 'root'
+  password = 'pass'
+
+  request = urllib2.Request(url, '')
+  base64string = base64.encodestring('%s:%s' % (username, password)).replace('\n', '')
+  request.add_header('Authorization', 'Basic %s' % base64string)
+  request.add_header('Content-Type', 'application/json')
+
+  urllib2.urlopen(request)
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