nginx-luaUsing Redis with Lua

server {
  location /redis {
    add_header Content-type text/plain;

    content_by_lua_block {
      local redis = require "nginx.redis"
      local red = redis:new()
      red:connect("127.0.0.1", 6379)

      if ngx.var.arg_get then
        ngx.say(red:get(ngx.var.arg_get))
      end

      if ngx.var.arg_set then
        red:set(ngx.var.arg_set, ngx.var.arg_val)
        ngx.say("saved value " .. ngx.var.arg_val)
      end
    }
  }
}ctrl + c
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