使Nginx前进到EC2上的Thin上

upstream thin {
     server 0.0.0.0:3000;
     server 0.0.0.0:3001;
     server 0.0.0.0:3002;
}

server {
    listen 80;
    server_name ec2-50-19-174-64.compute-1.amazonaws.com;

    root /home/ubuntu/apps/dankit-rails;

    location / {
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header Host $http_host;
      proxy_redirect false;

      if (-f $request_filename/index.html) {
        rewrite (.*) $1/index.html break;
      }
      if (-f $request_filename.html) {
        rewrite (.*) $1.html break;
      }
      if (!-f $request_filename) {
        proxy_pass http://thin;
        break;
      }
    }

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

pid: tmp/pids/thin.pid
address: 0.0.0.0
timeout: 30
port: 3000
log: log/thin.log
max_conns: 1024
require: []

max_persistent_conns: 512
environment: production
servers: 3
daemonize: true
chdir: /home/ubuntu/apps/dankit-rails