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(gentle electronic music)

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<v ->So I've been saying multiple times now</v>

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that we need a better error-handling strategy, right,

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and so now it's time to finally build it.

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And error handling is a really important aspect

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of any backend application,

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which is the whole reason why error handling

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even got its own section in this course.

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So, in this section, I'm gonna show you

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how we can use Express and environment variables

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to build quite a robust error-handling workflow

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that you can then use for your own applications

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in the future.