Rails Nginx configuration

nginx.conf

upstream QAirServer_server{
  server unix:/opt/QAirServer/shared/sockets/puma.sock fail_timeout=0;
}

server {
  listen 443 default deferred ssl;
  server_name qairapp.com;

  root /opt/QAirServer/current/public;

  ssl                  on;
  ssl_certificate      /opt/QAirServer/shared/server.crt;
  ssl_certificate_key  /opt/QAirServer/shared/server.key;

  ssl_session_timeout  5m;

  ssl_protocols  SSLv2 SSLv3 TLSv1;
  ssl_ciphers  HIGH:!aNULL:!MD5;
  ssl_prefer_server_ciphers   on;

  location / {
    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;
    proxy_set_header Host $http_host;
    proxy_redirect off;

    if (-f $request_filename) {
      expires max;
      break;
    }

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


  error_page 500 502 503 504 /500.html;
  location = /500.html {
    root /opt/QAirServer/current/public;
  }

  client_max_body_size 14M;
  client_body_buffer_size 128k;
  keepalive_timeout 10;
}