update readme

Author: tongueroo

README.md

@@ -6,9 +6,7 @@ Simple java project demos how to build a war file to be deployed on a Tomcat ser
 
 The build script uses `mvn package` to produce a demo.war file and then bundles it with a Docker image that runs Tomcat.  Usage:
 
-```sh
-bin/build
-```
+    bin/build
 
 ## What happened
 
@@ -17,25 +15,38 @@ bin/build
 
 Here's an example of some things to check after running the build script:
 
-```
-$ ls pkg/demo.war
-pkg/demo.war
-$ docker images
-REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
-demo-java           latest              88092dfb7325        6 minutes ago       591MB
-tomcat              8.5                 a92c139758db        2 weeks ago         558MB
-$
-```
+    $ ls pkg/demo.war
+    pkg/demo.war
+    $ docker images
+    REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
+    demo-java           latest              88092dfb7325        6 minutes ago       591MB
+    tomcat              8.5                 a92c139758db        2 weeks ago         558MB
+    $
 
 ## Run
 
 To run and test that Tomcat is serving the the war file:
 
-```
-docker run --rm -p 8080:8080 demo-java
-```
-
-Then you can hit the the [HOSTNAME]:8080/demo/Hello and to verify that Tomcat is servering the demo.war file.  You should see an html page that says "Hello World"
+    docker run --rm -p 8080:8080 -d demo-java
+    docker exec -ti $(docker ps -ql) bash
+    curl localhost:8080/demo/Hello
+    exit
+    docker stop $(docker ps -ql)
+
+Then you can hit the the [HOSTNAME]:8080/demo/Hello and to verify that Tomcat is servering the demo.war file.  You should see an html page that says "Hello World".  The output should look similar:
+
+    $ docker run --rm -p 8080:8080 -d demo-java
+    5ccc23ec07f2057ee530b9ad51714d4f07054d5c101ae407715aca33e5fffd69
+    $ docker exec -ti $(docker ps -ql) bash
+    root@5ccc23ec07f2:/usr/local/tomcat# curl localhost:8080/demo/Hello
+    <h1>Hello World</h1>
+    root@5ccc23ec07f2:/usr/local/tomcat# exit
+    exit
+    $ docker stop $(docker ps -ql)
+    5ccc23ec07f2
+    $ docker ps -a
+    CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
+    $
 
 ## Usage with UFO
 
@@ -49,13 +60,11 @@ Change were made like adding a simple [Hello.java](src/main/java/Hello.java) Ser
 
 The original command was:
 
-``` sh
-mvn archetype:generate \
-  -DinteractiveMode=false \
-  -DgroupId=com.domain \
-  -DartifactId=demo \
-  -DarchetypeArtifactId=maven-archetype-webapp
-```
+    mvn archetype:generate \
+      -DinteractiveMode=false \
+      -DgroupId=com.domain \
+      -DartifactId=demo \
+      -DarchetypeArtifactId=maven-archetype-webapp
 
 ## Dependencies