How to set up sending a request to another server with a different port?

Question

Express.js

We start the server on port 3000, which receives our requests for the domain.
How can I send an api request from it to an internal server from the same machine that runs on port 4000?

Answer 1

If I understood correctly, then you want to run the server and client on the same machine? Proxy will help you. Google - the rules for prescribing a proxy depends on the platform