Code Step-by-Step Guide on Connecting Your Django App to a Custom Domain Name.

Connecting Your Django App to a Custom Domain Name

# 1. Navigate to the Nginx server directive directory.

cd /etc/nginx/conf.d/
or
/etc/nginx/sites-available/

# 2. Create a the Server block configuration file.
sudo nano domain.com.conf

# 3. Add configuration code to the configuration file and save.

# This is a comment
server {
    # Listen on port 80
    listen 80;
    # Server name
    server_name domain.com;

    location / {
        # Proxy pass to Django server on localhost:8000
        proxy_pass http://127.0.0.1:8000;
        # Set headers
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}

# 4. Test the configuration
sudo nginx -t

# 5. If all is good, restart the nginx service

 sudo systemctl restart nginx
 
 or 

sudo service nginx restart

# well done