Redirecionamento de dominios com nginx

nginx-redirect.txt

server {

 listen 80;
 server_name seusite.com;
 return 301 http://www.seusite.com$request_uri;

}


server {
  listen 80;

  client_max_body_size	60M;
  server_name www.seusite.com;


location / {

    proxy_pass http://ip:80;

    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;
  }


}