Learn AWS Serverless Computing

Hello, world! using the command line

That was fun – let's do another one! However, in this section, we're not going to touch a browser at all. Instead, we'll be running commands in a bash Terminal using the AWS CLI. This is a less wizard-like method and I think you'll find it much easier. In this example, we're going to use Node.js. Let's get started:

1. First, let's write some function code in our favorite IDE:

Creating a Lambda function in Visual Studio Code

This is as simple as it gets – the function will return a message and the event that was originally passed in when invoked.

2. Zip up the function, ready for deployment:

zip helloworld.zip ...