# Amazon Machine Image (AMI)

* Customization of EC2 instance.
* AMI's are created from existing Amazon Images and repackaged as per need, providing faster boot time as required softwares are prepackaged.
* Bound to a specific region but, can be copied to other region.
* There are
  * **Public AMI** : Provided by AWS.
  * **Owned AMI** : Made and maintained by user.
  * **AWS Marktetplace AMI** : Sold by vendors in AWS marketplace.

## AMI creation

1. Start an EC2 instance and customize it.
2. Stop the instance for data inegrity.
3. Build an AMI, which will also create an EBS Snapshot.
4. Launch AMIs from other AMIs.
