January 2017
Intermediate to advanced
258 pages
4h 53m
English
Content preview from Implementing DevOps on AWSBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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IaC using CloudFormation
CloudFormation is an AWS service for deploying infrastructure as code. As before, we are going to describe our infrastructure via templates containing parameters (variables), resources, and outputs.
CloudFormation calls each deployed template a Stack. Creating, listing, updating, and deleting stacks is possible via the AWS Console, CLI, or API. In a small setup, you would probably deploy each of your stacks individually, but as your architecture becomes more complex, you can start nesting stacks. You would have a top-level or a parent stack (template) that invokes a number of sub-stacks. Nested stacks allow you to pass variables between them and, of course, save you the time of having to deploy each one individually.
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