failed to upload a server site folder

[HumaAftab2023]

harry bhai,spotify clone par aapnay jo songs ka folder songs dalnay k baad url mai 127.0.0.1:3000/songs kya tha mai wahan stuck hogae hun ...mera folder host nahi ho raha mjhe error araha hy ,agar voi address mai b fetch mai dun toh error araha hy plz isay samjahein aik baar... 3 din sy project agay nahi bar paraha or mjhe kahin or samjh b ni araha ..yh mera first project working hy so plz help me.