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Concepts for updating an AWS CloudFormation stack

Concepts for updating an AWS CloudFormation stack - Amazon Web Services (AWS) Tutorial

From the course: Complete Guide to AWS Software Deployment

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Concepts for updating an AWS CloudFormation stack

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- [Instructor] Once a stack has been created, CloudFormation allows you to update the resources managed by the stack. Updating a stack allows you to modify parameter inputs or change the template itself. The resulting action will only update the resources you modify. Be advised that this action could disrupt running services. Finally, updating a stack comes in two flavors, direct update or change sets. Direct updates occur immediately. Change sets on the other hand, introduce some additional steps to make sure everything is going to end up the way you want. Change sets let you preview changes. When updating a CloudFormation stack. They clarify how CloudFormation will execute a change. For instance, will it update a resource or delete and recreate it? However, they do not and cannot indicate the successful outcome of a change. Change sets can be executed right away or saved for later, and they expire once the underlying template is updated. After all, a set of proposed changes may not…

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