envoy-apisix
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close #16
Trying _ip-restriction_ example and getting this error: ``` [2022-04-08 12:12:50.321][37][error][lua] [source/extensions/filters/http/lua/lua_filter.cc:802] script log: /usr/local/share/lua/5.1/resty/lrucache.lua:258: attempt to call upvalue 'ngx_now' (a number value) ``` base image: envoyproxy/envoy:v1.21-latest
 Which cannot be used correctly, we should interpolate it firstly.
- [ ] regex: support regular matching. - [ ] Create issue at Envoy, discuss with community - [ ] Schedule - [ ] Integrated into apisix.core - [ ]...
The current serialization and deserialization of json is implemented using lua code, which has poor performance. It is recommended to use cjson or rapidjson as a follow-up.