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Packer Fundamentals

Packer is a free and open source extensible software tool that takes your desired OS and container configurations and builds them simultaneously for the easy testing and management of complex system and application images and artifacts. If you ever find yourself in an environment where multiple custom system disks or cloud AMIs must be consistently maintained and adjusted to boot VMs or run containers, then Packer is here to simplify your life as you automate configuration through code.

This chapter is a very high-level introduction for those unfamiliar with Packer. It explains how Packer is not a service but a tool that can be manually run or inserted into an automation pipeline. It also describes how Packer can supplement ...

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