Developing locally makes a lot more sense than deploying to a dev environment consistently because it helps save time, save some cloud costs, and avoids obvious embarrassment. 🙂
When trying to invoke any of your lambda functions if you are getting an error that says “lambda is not a function” the problem is likely that the handler is misspelled in the serverless.yml file OR you aren’t exporting modules.exports.handler and are instead exporting something else.
Serverless computing is a really new and very trans formative change that allow companies to grow and scale their businesses very quickly. Serverless computing done correctly has the potential to dramatically increase development velocity, and reduce costs. In my blog post, What is Serverless Computing I covered what it is and some of the vendors that are available.
Adopting serverless computing makes a lot of sense for companies, but there are steps that you need to do before you can begin moving to serverless technologies. One of the first things to make sure you and your team understand is that serverless computing is primarily event driven and functional programming has the potential to make things a lot easier.…
The Serverless Framework is a free open source framework that allows us to easily build applications on cloud providers like AWS using serverless computing. By utilizing Serverless development and IT operations teams are able to quickly build functions and the events that will trigger them.
“Unhandled rejection AccessDeniedException: Your access has been denied by EC2, please make sure your function execution role have permission to CreateNetworkInterface. EC2 Error Code: UnauthorizedOperation. EC2 Error Message: You are not authorized to perform this operation.”
That’s a pretty annoying error to receive when deploying from Serverless to AWS, but the fix is really pretty simple.