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Scalable Cloud Ops with Fugue by Josha Stella

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Chapter 7Ludwig Modules and Validations

The previous chapter introduced you to Ludwig’s fundamentals. We went over some of the semantic and syntactic features of the language and showed you exactly why it makes declaring and refactoring cloud infrastructure easy.

We talked about the core types of Fugue—the foundational definitions of cloud resources that are available via the Fugue.Core.* modules you’ve worked with so far. This set of types (and others like it) are used to define everything that you can express and do in Fugue. But there’s nothing inherently special about these types at the language level. They’re not baked in as special syntax that Ludwig’s parser handles in a special way or anything tricky like that. They’re just standard ...

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