diff --git a/Dockerfile b/Dockerfile
index ceb6b0ab..ff59067d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,6 @@
 FROM tomcat 
 WORKDIR webapps 
+port 570
 COPY target/WebApp.war .
 RUN rm -rf ROOT && mv WebApp.war ROOT.war
 ENTRYPOINT ["sh", "/usr/local/tomcat/bin/startup.sh"]
diff --git a/README.md b/README.md
index 78662a2a..b58ba170 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 
 
-# Build Instruction
+#Build Instruction
 
 
 ```
@@ -8,7 +8,7 @@ mvn clean package
 and build the instruction .
 ```
 
-# Deploy instruction
+#Deploy instruction and test
 
 Deploy ```target/WebApp.war``` on Tomcat properly for better experience.
 
diff --git a/hosts b/hosts
index 289312cd..816ec7e3 100644
--- a/hosts
+++ b/hosts
@@ -1,2 +1,3 @@
 [test]
 Host_ip
+[prod]