node.js – Meteor WebSocket握手错误400与nginx

我设法在我的基础设施(Webfactions)上部署流星.
应用程序似乎工作正常,但是当我的应用程序启动时,我在浏览器控制台中收到以下错误：

WebSocket连接到’ws：//…/websocket’失败：WebSocket握手中出错：意外响应代码：400

这个错误的真正原因是Webfactions使用nginx,并且nginx配置不正确.这里是如何correctly configure nginx to proxy WebSocket requests,通过设置proxy_set_header升级$http_upgrade;和proxy_set_header Connection $connection_upgrade ;:

# we're in the http context here
map $http_upgrade $connection_upgrade {
  default upgrade;
  ''      close;
}

# the Meteor / Node.js app server
server {
  server_name yourdomain.com;

  access_log /etc/nginx/logs/yourapp.access;
  error_log /etc/nginx/logs/yourapp.error error;

  location / {
    proxy_pass http://localhost:3000;

    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Host $host;  # pass the host header - http://wiki.nginx.org/HttpProxyModule#proxy_pass

    proxy_http_version 1.1;  # recommended with keepalive connections - http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_http_version

    # WebSocket proxying - from http://nginx.org/en/docs/http/websocket.html
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $connection_upgrade;
  }

}

这是基于David Weldon’s nginx config的改进的nginx配置.安卓毛泽东已经达到了very similar configuration.

记住还要将HTTP_FORWARDED_COUNT环境变量设置为应用程序前的代理数(通常为1).

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