This is a sample express setup with just slightly more functionality than you get by just running express at the command line:
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The root route explains some simple EJS functionality.
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Going to '/posts' will give you a simple example of interacting with a database, assuming you have mongo set up correctly.
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Going to any other top-level path will give you an example of a variable route.
At some point I might make this into a basic tutorial for setting up a web page, including cluster and namespacing and all kinds of fun stuff. If you're lucky.