dockerfile#12 nginx sites-enabled is not used

/etc/nginx/conf.d have to be used instead /etc/nginx/sites-enabled

Author: pilerou

README.md

@@ -24,6 +24,6 @@ This repository contains **Dockerfile** of [Nginx](http://nginx.org/) for [Docke
 
 #### Attach persistent/shared directories
 
-    docker run -d -p 80:80 -v <sites-enabled-dir>:/etc/nginx/sites-enabled -v <certs-dir>:/etc/nginx/certs -v <log-dir>:/var/log/nginx -v <html-dir>:/var/www/html dockerfile/nginx
+    docker run -d -p 80:80 -v <sites-enabled-dir>:/etc/nginx/conf.d -v <certs-dir>:/etc/nginx/certs -v <log-dir>:/var/log/nginx -v <html-dir>:/var/www/html dockerfile/nginx
 
 After few seconds, open `http://<host>` to see the welcome page.