Some of the things like authentication, role based authorization, custom form mappings and error handling
Websockets using AndroidAsync and Play Framework(Scala). Demonstration through a simple messaging app.
Interacting with Redis, S3 and handling requests asynchronously
Schema definition and queries with slick
Implementing a few simple functions using foldLeft
This post describes error handling and logging them to your database. Also talks about request and response logging
This post shows how to write a REST API using a flask extension called flask-restful. I will go over a few things that let you do some request and response processing