nginx config problem

gistfile1.txt

/etc/nginx # ls
conf.d                  fastcgi.conf.default    fastcgi_params.default  koi-win                 mime.types.default      nginx.conf              scgi_params             uwsgi_params            win-utf
fastcgi.conf            fastcgi_params          koi-utf                 mime.types              modules                 nginx.conf.default      scgi_params.default     uwsgi_params.default
/etc/nginx # ls /etc/nginx/conf.d/
default.conf        sites-enabled.conf
/etc/nginx # cat conf.d/sites-enabled.conf
server {

    listen 8080;
    server_name application;
    charset utf-8;

    location / {
        proxy_pass http://application:5000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}
/etc/nginx # cat nginx.conf

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


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

    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;

    keepalive_timeout  65;

    #gzip  on;

    include /etc/nginx/conf.d/*.conf;
}