@mstan — sorry that you haven't received a response.
NodeBB doesn't save the Mongo database anywhere specific on the file system, it would be wherever the insulted MongoDB install saves it's data.
How can I fix this?
Ah, that's a tricky one, since it's a non-traditional way of setting up services to work together. NodeBB considers all subfolders part of its purview, which is why ajaxify is kicking in (but returning 404 since that route doesn't exist).
There's this bit of code in
ajaxify.js, which you'll need to update on your install, to include
I modified html link on my custom home page.