Overview
It provides scalable computing capacity in AWS.
Benefits:
No need to invest in hardware upfront.
So you can develop and deploy applications faster.
Launch as many or as few virtual servers as you need, configure security and networking, and manage storage.
Scale up or down to handle changes in requirements or spikes in popularity, reducing your need to forecast traffic.
Instance Metadata
Data about your instance that you can use to configure or manage the running instance.
It is divided into categories, for example, host name, events, and security groups.
Provides an endpoint in every EC2 instance at
http://169.254.169.254/latest/meta-datawhich gives applications running in the instance access to environmental information.
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