What are some good use cases for this or aws lambda?
I.E. when would you use this over a plain old simple appengine app
I.E. when would you use this over a plain old simple appengine app
Considering that the lambda function was pretty easy to write, free to run, and very portable: why would an Appengine app be better?
These will allow you to automatically scale up or down easily. You don't have to maintain your server.
It has its advantages and disadvantages.