Make function publishing the last step

We want to publish the function after updating the config, so the newly
created versions pick up an eventually updated function description.

Author: carhartl

aws_lambda/aws_lambda.py

@@ -282,7 +282,7 @@ def update_function(cfg, path_to_zip_file):
     client.update_function_code(
         FunctionName=cfg.get('function_name'),
         ZipFile=byte_stream,
-        Publish=True
+        Publish=False
     )
 
     client.update_function_configuration(
@@ -294,6 +294,11 @@ def update_function(cfg, path_to_zip_file):
         MemorySize=cfg.get('memory_size', 512)
     )
 
+    # Publish last, so versions pick up eventually updated description...
+    client.publish_version(
+        FunctionName=cfg.get('function_name')
+    )
+
 
 def function_exists(cfg, function_name):
     """Check whether a function exists or not"""