always says that address in use express code example
Example 1: EADDRINUSE: address already in use :::5000
sudo lsof -i :3000
Example 2: EADDRINUSE: address already in use
sudo lsof -i :<PORT>
kill -9 <PID>
sudo lsof -i :3000
sudo lsof -i :<PORT>
kill -9 <PID>