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2.4.5 Nginx配置

nginx.conf文件的http {}部分中,您可以使用要在以下两者之间平衡负载的socket.io进程列表声明upstream部分:
http{
server{
listen 3000;
server_name io.yourhost.com;
location / {
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $host;
proxy_pass http://nodes;
# 启用websockets
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
}
}
upstream nodes {
# 基于IP启用粘性会话
ip_hash;
server app01:3000;
server app02:3000;
server app03:3000;
}
}
请注意ip_hash指令,它指示连接将是粘性的。
确保在最顶层配置worker_process,以指示nginx应该使用多少worker。您还可能希望调整events {}块中的worker_connections设置。
例子