Fixed bug and updated README. (fixes dockerfile#1)

Author: pilwon

Dockerfile

@@ -12,6 +12,11 @@ RUN apt-get install -y software-properties-common
 RUN add-apt-repository -y ppa:nginx/stable
 RUN apt-get update
 RUN apt-get install -y nginx
+RUN echo "\ndaemon off;" >> /etc/nginx/nginx.conf
+
+# Attach volumes.
+VOLUME /etc/nginx/sites-enabled
+VOLUME /var/log/nginx
 
 # Set working directory.
 WORKDIR /etc/nginx

README.md

@@ -20,4 +20,10 @@ This repository contains **Dockerfile** of [Nginx](http://nginx.org/) for [Docke
 
 ### Usage
 
- docker run -d -p 80:80 -t dockerfile/nginx
+ docker run -d -p 80:80 dockerfile/nginx
+
+#### Attach persistent/shared directories
+
+ docker run -d -p 80:80 -v <sites-enabled-dir>:/etc/nginx/sites-enabled -v <log-dir>:/var/log/nginx dockerfile/nginx
+
+Open `http://<host>` to see the welcome page.