diff --git a/Dockerfile b/Dockerfile
index 0d4f85f..78981eb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,19 +1,18 @@
 # Using a compact OS
 FROM alpine:latest
 
-MAINTAINER Golfen Guo <golfen.guo@daocloud.io> 
+MAINTAINER Golfen Guo <golfen.guo@daocloud.io>
 
 # Install and configure Nginx
 RUN apk --update add nginx
 RUN sed -i "s#root   html;#root   /usr/share/nginx/html;#g" /etc/nginx/nginx.conf
 RUN ln -sf /dev/stdout /var/log/nginx/access.log \
 	&& ln -sf /dev/stderr /var/log/nginx/error.log
-	
+
 # Add 2048 stuff into Nginx server
 COPY . /usr/share/nginx/html
 
 EXPOSE 80
 
-# Start Nginx and keep it from running background
-CMD ["nginx", "-g", "pid /tmp/nginx.pid; daemon off;"]
-
+# Start Nginx and keep it running background and start php
+CMD sed -i "s/ContainerID: /ContainerID: "$(hostname)"/g" /usr/share/nginx/html/index.html && nginx -g "pid /tmp/nginx.pid; daemon off;"
diff --git a/index.html b/index.html
index 0da0ee0..f718cc0 100644
--- a/index.html
+++ b/index.html
@@ -18,6 +18,7 @@
 </head>
 <body>
   <div class="container">
+    <p style="position:absolute;left:60px;top:100px;">ContainerID: </p>
     <div class="heading">
       <h1 class="title">2048</h1>
       <div class="scores-container">