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Cloud Computing · Foundational

Amazon Machine Image (AMI)

Template containing the OS, software and configuration used to launch EC2 instances.

Definition

An AMI includes a root volume template (usually EBS snapshots), launch permissions and block device mappings. AMIs are regional; they can be copied to other regions, shared with accounts and used in launch templates to create golden images for consistent, fast deployments.

Example

A team bakes a hardened Amazon Linux AMI with its agent preinstalled and references it in the Auto Scaling launch template.

Exam tip

To launch the same image in another region you must copy the AMI to that region first.

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