配置Nginx支持长轮询

Nov 21, 2018 nginx 轮询
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对于需要用到长轮询的web项目，可以在Nginx做一些配置来支持请求转发。分别在http与server块中加入下面的配置：

 1http {
 2    map $http_upgrade $connection_upgrade {
 3        default upgrade;
 4        '' close;
 5    }
 6}
 7
 8server {
 9    location /your-api-url/ {
10        proxy_pass http://127.0.0.1:9000/your-api-url/;
11        proxy_http_version 1.1;
12        proxy_set_header Upgrade $http_upgrade;
13        proxy_set_header Connection $connection_upgrade;
14        proxy_set_header Host $http_host;
15        proxy_set_header X-Forwarded-Host $host;
16        proxy_set_header X-Forwarded-Server $host;
17        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
18        proxy_buffering off;
19        proxy_ignore_client_abort off;
20    }
21}