proxy.lua

local base64     = require "ngx.base64"
local httpc = require("resty.http").new()

local base64_encode = base64.encode_base64url
local proxy_opts = {}
local auth_header = "Basic " .. base64_encode("holosix:xN186VaYjrCGepJI")
proxy_opts.http_proxy_authorization = auth_header
proxy_opts.http_proxy = "http://squid.kong-dp.svc.cluster.local:3128"

local res, err = httpc:request_uri("http://httpbin.kong-dp.svc.cluster.local:8000/uuid", {
    method = "GET",
    ssl_verify = false,
    proxy_opts = proxy_opts,
})
if not res then
    ngx.log(ngx.ERR, "request failed: ", err)
    return
end

local status = res.status
local length = res.headers["Content-Length"]
local body   = res.body
ngx.log(ngx.ERR, "body: ", body)
ngx.log(ngx.ERR, "status: ", status)