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Review these topics first, just to get the lay of the land, and because debugging your changes will usually require some logging familiarity.
You will likely want to at least skim these general topics before really diving in. Some of it won't make sense but it's important to have some of the concepts in mind when you actually try to configure anything. You need a plan for how this is intended to be used with your applications before you get serious about setting it up. This is middleware and highly abstract compared to setting up a tradtional piece of software.
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