Error while creating subdomain droplet for a Node.js app

Question

Hi,

I’m currently creating a new droplet where a Node.js app will live on a subdomain. I setup the droplet using Ubuntu 18.04, installed Nginx and while configuring the subdomain in the “/etc/nginx/sites-available/sub.example.com” and received an error below when running the command “sudo nginx -t”:

nginx: [emerg] unknown directive “listen[::]:80” in /etc/nginx/sites-enabled/example.com:3 nginx: configuration file /etc/nginx/nginx.conf test failed

I’m not sure why I’m receiving this error, this is my first time building a droplet and am a front-end developer who knows very little about back-end processes.

Also, when I found a forum talking about this error, found and ran a command to list off all sites enables in nginx and this is what I have:

/etc/nginx/sites-enabled/sub.example.com:        listen 80;
/etc/nginx/sites-enabled/sub.example.com:        listen [::]:80;
/etc/nginx/sites-enabled/default:	listen 80 default_server;
/etc/nginx/sites-enabled/default:	listen [::]:80 default_server;
/etc/nginx/sites-enabled/default:	# listen 443 ssl default_server;
/etc/nginx/sites-enabled/default:	# listen [::]:443 ssl default_server;
/etc/nginx/sites-enabled/default:#	listen 80;
/etc/nginx/sites-enabled/default:#	listen [::]:80;
/etc/nginx/sites-enabled/example.com:	listen 80;
/etc/nginx/sites-enabled/example.com:	listen[::]:80;

Hope this helps, I’m 110% lost on what to do and how to proceed so any helpful tips and suggestions is greatly appreciated :) Thanks!

Bobby Iliev · Answer

Hello,

Can you please share the exact Nginx Server Block that you are using? I could then try to advise you further.

But usually what I would use as a Nginx Server Block is something like this:

server {
        listen 80 default_server;
        listen [::]:80 default_server;

        root /var/www/html;
        index index.html index.htm index.nginx-debian.html;

        server_name your_sub_domain_here;

        location / {
                try_files $uri $uri/ =404;
        }
}

Regards, Bobby

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Error while creating subdomain droplet for a Node.js app

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