S3 (Simple Storage Service) is one of the most widely used cloud storage solutions, allowing users to store and retrieve large amounts of data with high durability and availability. Setting up S3 while learning ETLs can be a bit challenging and can also be a costly as well as time-consuming. In order to overcome this issue, we have LocalStack - an open source tool which can mimic amazon cloud services on your local machine.

Serverless computing has become very popular in recent years. Serverless computing allows teams/organizations to develop an application without worrying about the server. Official AWS documentation describes it as - Run Code Without Thinking About Servers. There are many use cases in which serverless computing can be beneficial over the traditional approach. If done in the right way, it can also help small teams save money on infrastructure.

usage: aws [options] <command> <subcommand> [<subcommand> ...] [parameters]
To see help text, you can run:

  aws help
  aws <command> help
  aws <command> <subcommand> help

aws: error: the following arguments are required: command

This suggests successful installation of AWS CLI.