nginx.conf

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

events {
    worker_connections 1024;
}

http {
    log_format  main  '\$remote_addr - \$remote_user [\$time_local] "\$request" '
                      '\$status \$body_bytes_sent "\$http_referer" '
                      '"\$http_user_agent" "\$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile            on;
    tcp_nopush          on;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 2048;

    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;

    map \$http_upgrade \$connection_upgrade {
        default upgrade;
        '' close;
    }

    upstream django_server {
        server 127.0.0.1:8000;
    }

    upstream websocket_server {
        server 127.0.0.1:8080;
    }

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

        location / {
            proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
            proxy_set_header Host \$http_host;
            proxy_redirect off;

            if (!-f \$request_filename) {
                proxy_pass http://django_server;
                break;
            }
        }

        location /ws {
            proxy_pass http://websocket_server;
            proxy_http_version 1.1;
            proxy_set_header Upgrade \$http_upgrade;
            proxy_set_header Connection \$connection_upgrade;
            proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
            proxy_intercept_errors on;
        }

        error_page 404 /404.html;
            location = /40x.html {
        }

        error_page 500 502 503 504 /50x.html;
            location = /50x.html {
        }
    }
}