raspibolt guide looks old. just tested v3.0 with fulcrum according to our documentation for a fully manual install and it's working fine so far.

https://github.com/mempool/mempool/tree/master/backend	

https://github.com/mempool/mempool/tree/master/frontend

recommend cross-referencing with our docs to see if you missed anything.  

will run and observe for a day or so.