如何在nginx内部发送接口请求呢？-灵析社区

问题场景： 我想实现在nginx的upstream服务组中获取当服务器是否轮询到了backup；如果轮询到我就在nginx的配置文件中发送一个接口请求，类似于飞书(钉钉)的消息通知 告诉当前的服务已经backup了 实现的方式： 我本地是mac的开发环境下载了openresry通过lua脚本进行请求接口，下载了`resty.http`实现了请求，因为请求的地址是https的，我本地使用`mkcert`生成了一个免费的SSL的证书，但是请求的时候一直报错：`无法解析域名`； 下方是伪代码： worker_processes 1; error_log /usr/local/etc/openresty/logs/error.log; error_log /usr/local/etc/openresty/logs/info.log info; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; sendfile on; keepalive_timeout 65; server { listen 443 ssl; listen [::]:443 ssl; server_name demo.com; ssl_certificate /Users/yangfan/demo.com.pem; ssl_certificate_key /Users/yangfan/demo.com-key.pem; location / { root html; index index.html index.htm; } location /fs { content_by_lua_file /usr/local/etc/openresty/tests/upstream.lua; } error_page 500 502 503 504 /50x.html; location = /50x.html { root html; } } } lua的代码： local http = require "resty.http" local cjson = require "cjson" local httpc = http.new() local userData = { msg_type = "post", content = { post = { zh_cn = { title = "222", content = { { tag = "text", text = "222222", }, { tag = "at", user_id = "all", }, }, }, }, }, } local jsonStr = cjson.encode(userData) local res, err = httpc:request_uri("https://open.f.xxxx.cn/open-apis/bot/v2/hook/xxxxxx", { method = "POST", body = jsonStr, headers = { ["Content-Type"] = "application/json", }, }) if res == nil then ngx.log(ngx.INFO,"=====================>>>>>>>>>>>>>>>>>1111111111 ".. err) else ngx.log(ngx.INFO,"=====================>>>>>>>>>>>>>>>>>000000000000 ".. res) ngx.log(ngx.INFO,"=====================>>>>>>>>>>>>>>>>>33333333333333 ".. err) end 疑惑： * 目前整个链路是对的吗？我是本地启动openresty进行访问的？ * 还有别的方式可以实现我当前的需求吗？