Localhost not working in Chrome, 127.0.0.1 does work

Here are the steps I took to make this work correctly:

  1. Edited my hosts file so 127.0.0.1 localhost. was present, and saved the file
  2. Cleared my Chrome cache, specifically cookies and cached files
  3. Cleared host cache in chrome://net-internals/#dns
  4. Restarted chrome

Alternatively, this also works:

  1. Navigate to chrome://net-internals/#hsts
  2. Under “Delete domain”, type localhost and delete

Unbeknownst to me, my project had an HSTS middleware that set an HSTS cookie

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