Enable compression for faster download of history

nginx.tmpl

@@ -22,6 +22,14 @@ http {
             include /etc/nginx/mime.types;
             try_files $uri $uri/index.html;
         }
+        
+        gzip on;
+        gzip_vary on;
+        gzip_proxied any;
+        gzip_comp_level 6;
+        gzip_buffers 16 8k;
+        gzip_http_version 1.1;
+        gzip_types text/plain text/css application/json application/javascript text/javascript;
     }
 }