Over the last few days I started to read about Serverless . What is Serverless? Serverless is a different way of building (Web) Applications. Over the last few years, on emails from the AWS newsletter, I kept seeing Lambda mentioned a lot so I started to look into it. What is Lambda? AWS Lambda is a Function-as-a-Service (FaaS) compute service. You write functions that would be triggered based on events, like an http call, or a file upload on S3 or anything that can somehow communicate within the cloud provider, in this case Amazon AWS. The next thing that captured my attention was how it is priced: you pay only when it is running! For sure, instead of having a locked price on some vps instance or some other way of hosting, you pay only when the function runs and based on how much resources it had consumed (cpu, memory) for an amount of time. The other important thing is that it scales as needed and you control the limits (you do not want to go broke if not making a prof