I have deployed a mern website onto virtual machine, have used nginx. pm2 for node.js. the frontend is running fine. The i can see the UI. But the content from backend is not able to dispaly/fgetch.
i have’nt installed any mongodb in my mode.
i have used conncecting string in my code. using moongoes.
i am uploading all the neccesarry files.

please do help me I am stuck for 2 week now in this bug.

this is Ip address which are allowed in mongodb/ also have saved vm’s one

this is how i have configured my frontend
this is my site running

This is the error I am facing

error in network tab

I have not install mongodb onto my vm. i dont know should i install or not ?
i have installed ealrier in another vm , and this message was showing in that vm also.