Techie Brekkie #11 // Serverless Computing : What are the challenges?

Serverless Computing such as AWS Lambdas and Azure Functions have some big advantages, including that you only pay for the processing you do/use and can save money, but also allow scaling up without having to stress. But what are the challenges? We consider latency, debugging/testing, vendor lock in, managing a large number of serverless functions and what you can do to make your life easier.