Just fyi, I tried one your instance. Searched a user, clicked a result, and got an error.
Error
./app.lua:134: attempt to concatenate field 'username' (a nil value)
Traceback
stack traceback:
./app.lua:134: in function 'handler'
...ittygram/lua_modules/share/lua/5.1/lapis/application.lua:185: in function 'resolve'
...ittygram/lua_modules/share/lua/5.1/lapis/application.lua:216: in function <...ittygram/lua_modules/share/lua/5.1/lapis/application.lua:214>
[C]: in function 'xpcall'
...ittygram/lua_modules/share/lua/5.1/lapis/application.lua:214: in function 'dispatch'
/apps/kittygram/lua_modules/share/lua/5.1/lapis/nginx.lua:231: in function 'serve'
content_by_lua(nginx.conf.compiled:92):2: in main chunk






I tried the same user, and it worked for me just now. Thanks for working on this project!