How you can speed up serverless development by simulating AWS Lambda locally
John McKim

I’ve just started experimenting with Lambda. One of my motivations is to cut down on the AWS EC2 resources that I’m using.

As it turns out, image display over a slow link (an iPad on a 10Mb Internet connection) can have a big impact on the web server. So I’ve been thinking that it would be great to move image display to Lambda.

What I’m worried about is the start-up lag of the HTTP process on Lamda. I know that Lambda can keep processes “warm”. Is this something that Amazon charges you for (you are, after all, using compute and storage).

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