http.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_authorization = auth_header
proxy_opts.http_proxy = "http://squid.kong-dp.svc.cluster.local:3128"
proxy_opts.http_proxy = "http://squid.kong-dp.svc.cluster.local:3128"

local ok, err = httpc:connect {
    scheme = "http",
    host = "google.com",
    port = "443",
    proxy_opts = proxy_opts,
    ssl_verify = false,
  }

  if not ok then
    ngx.log(ngx.ERR, "unable to connect to proxy: ", err)
    return
  end

local res, err = httpc:request({
    method  = "GET",
    path    = "/",
  })

  if not ok then
    ngx.log(ngx.ERR, "unable to connect to proxy: ", err)
    return
  end

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