AWS Lambda is function as service in AWS it means that we define what we want to run on AWS as a function and AWS runs it it does not matter how much RAM, storage it requires. It does not require you to provision any servers. It also runs on demand and you pay for compute time and no of times you run required function. It can scale infinitely. Scaling and pay on compute time makes it a service of choice for many developers.
You don't need to manage any servers for your back end service.
It lets you run I million requests and 400 thousand of compute time in free tier so that you can get well versed with it before using it.
Easy pricing you have to pay for compute time and number for request
Language support Node.js, Python, Golang C# etc and all other using many API provided custom API
Very easy to add resources.
Only used as for resources when needed
Next we will do a hands on AWS Lambda