Set up Django, Nginx and Ubuntu 18.04 - "welcome to nginx" landing page displays when www. prefix is loaded with domain. Works fine without.

Question

Hello,

Warning - Complete newbie here.

I’ve followed the below guide “How To Set Up Django with Postgres, Nginx, and Gunicorn on Ubuntu 18.04” to set up my Django website.

https://www.digitalocean.com/community/tutorials/how-to-set-up-django-with-postgres-nginx-and-gunicorn-on-ubuntu-18-04

Everything works fine when i search for my website via “website.com”, however when i search for “www.website.com” i get a welcome to nginx landing page.

I’ve attempted to fix this by adding the “www.” prefix version of my domain to the server_name line in my server block as per below.

server {
    listen 80;
    server_name website.com www.website.com;

    location = /favicon.ico { access_log off; log_not_found off; }
    location /static/ {
        root /home/peter/websitedirectory;
    }

    location / {
        include proxy_params;
        proxy_pass http://unix:/run/gunicorn.sock;
    }
}

However when running sudo nginx - t on the above, i get a warning:

nginx: [warn] conflicting server name: “www.website.com” on 0.0.0.0:443, ignored

I’m not entirely sure what this means. I feel like this should be relatively simple to fix, can anyone help? Thanks!

ulvidamirli · Answer

I had the same issue.

To solve it open your nginx file:

sudo nano /etc/nginx/sites-available/YOURPROJECTNAME

Change this line (Change domains below to yours but preserve prefix):

server_name example.com www.example.com;

Check if file is error-free:

sudo nginx -t

Restart nginx:

sudo systemctl reload nginx

I took the code from Digital Ocean tutorial, thanks to them for these great articles! https://www.digitalocean.com/community/tutorials/how-to-secure-nginx-with-let-s-encrypt-on-ubuntu-20-04

adamwojt · Answer

Hey,

I am not sure if you still need this but what worked for was to add below to /etc/nginx/sites-available/yourprojectname:

server { if ($host = www.example.com) { return 301 https://$host$request_uri; } # managed by Certbot

listen 80;
server_name  www.example.com;
return 404; # managed by Certbot

}

I didn’t disable default file just added that- of course adjust to your domain.

unixynet · Answer

Your default file has server_name _; which will match any host (including what you’re seeing with www.website.com ). Just disable the “default” file completely. Also change this line: if ($host = website.com) { To if ($host ~ "website.com") { And change this line: server_name website.com; To: server_name website.com www.website; Then restart Nginx.

PC000 · Answer

This comment has been deleted

unixynet · Answer

What do you get when you search for www.website.com in the nginx directory? grep “www.website.com ” -r /etc/nginx

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Set up Django, Nginx and Ubuntu 18.04 - "welcome to nginx" landing page displays when www. prefix is loaded with domain. Works fine without.

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