upstream my_app {
  server              unix:///tmp/my_app.sock;
}

server {
  listen              *:80;
  server_name         my_app.com;

  access_log          /var/log/nginx/my_app-access.log;

  location /favicon.ico {
    root              /var/www/my_app/public/assets/favicon.ico;
    gzip_static       on;
    expires           max;
    add_header        Cache-Control public;
  }

  location / {
    root              /var/www/my_app/public;
    try_files         $uri @app;
    gzip_static       on;
    expires           max;
    add_header        Cache-Control public;
  }

  location @app {
    proxy_pass        http://my_app;
    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 https;
    proxy_set_header  Host $http_host;
    proxy_redirect    off;
    proxy_next_upstream error timeout invalid_header http_502;
  }   
}