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Learning AWS - Second Edition by Amit Shah, Aurobindo Sarkar

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Updating stacks

There are primarily two main approaches to updating your stack—the in-place and Blue-Green approach. Each of these approaches has their own pros and cons, and you should select the approach that is most suitable for your specific situation. You can also start with one approach and then move to a different approach depending on your business needs.

As the name suggests, the in-place updates approach requires you to create a new template and then use that template to update your existing stack by using the update stack API. This approach is faster, more cost-efficient, and the migration of data and application states is much simpler than with the Blue-Green approach.

In the Blue-Green approach, you take the new template and ...

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