add production mode setting
add production mode setting

ihoneymon/yobi,brainagenet/yobi,violetag/demo,naver/yobi,ahb0327/yobi,doortts/fork-yobi,bloodybear/yona,doortts/fork-yobi,oolso/yobi,bloodybear/yona,bloodybear/yona,doortts/forked-for-history,ahb0327/yobi,ChangsungKim/TestRepository01,brainagenet/yobi,bloodybear/yona,doortts/forked-for-history,brainagenet/yobi,yona-projects/yona,yona-projects/yona,Limseunghwan/oss,violetag/demo,ahb0327/yobi,doortts/forked-for-history,yona-projects/yona,Limseunghwan/oss,ihoneymon/yobi,Limseunghwan/oss,oolso/yobi,doortts/fork-yobi,ChangsungKim/TestRepository01,doortts/fork-yobi,naver/yobi,yona-projects/yona,naver/yobi,ihoneymon/yobi,oolso/yobi