Serverless Single Page Apps

Deploy Again

In this chapter, you learned how to build custom web services using Amazon Lambda. You saw two different methods for accessing these services and used them from two different environments (the command line and the browser). Since you’ve already deployed our new service, there’s nothing more to do! If you want to try to integrate this new service into our app, you can experiment with some of the techniques we covered in previous chapters.

Next Steps

Now that you understand how Lambda works, here are some additional topics you might want to investigate.

Cognito User Validation

When creating a Cognito user pool, you can specify Lambda functions that are invoked when a user logs in or when a new user signs up. These functions can be used ...