feature:add resolver && teamcity config

sites-available/9song-api

@@ -3,7 +3,6 @@ server {
 
     location / {
         proxy_set_header Host $host;
-#	proxy_redirect off;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_pass http://127.0.0.1:8000/;