new changes

Author: depareddy

Dockerfile

@@ -1,30 +1,28 @@
-FROM java:8 
+FROM java:8 AS BUILD
+ENV APP_HOME=/root/code/
+RUN rm -rf $APP_HOME
+RUN mkdir -p $APP_HOME
+WORKDIR $APP_HOME
+
+# Prepare by downloading dependencies
+ ADD pom.xml $APP_HOME/pom.xml
+ 
+# Adding source, compile and package into a fat jar
+ADD src $APP_HOME/src
 
 # Install maven
 RUN apt-get update
 RUN apt-get install -y maven
 
-WORKDIR /code
-
-# Prepare by downloading dependencies
- ADD pom.xml /code/pom.xml
- 
-# Adding source, compile and package into a fat jar
-ADD src /code/src
 RUN ["mvn", "dependency:resolve"]
 RUN ["mvn", "verify"]
 RUN ["mvn", "clean"]
 RUN ["mvn", "package"]
 
-WORKDIR /code
-
-RUN curl -O http://archive.apache.org/dist/tomcat/tomcat-8/v8.5.9/bin/apache-tomcat-8.5.9.tar.gz
-RUN tar xzf apache-tomcat-8.5.9.tar.gz
-
-WORKDIR /code
-
-COPY /code/src/main/webapp/index.jsp apache-tomcat-8.5.9/webapps/
- 
+FROM tomcat:8.0.20-jre8
+# WORKDIR /root/
 EXPOSE 8080 
 
-CMD apache-tomcat-8.5.9/bin/startup.sh && tail -f apache-tomcat-8.5.9/logs/catalina.out
+COPY --from=BUILD /root/code/target/*.war /usr/local/tomcat/webapps/simplewebapp.war
+
+CMD /usr/local/tomcat/bin/startup.sh && tail -f /usr/local/tomcat/logs/catalina.out

pom.xml

@@ -24,10 +24,6 @@
           <plugin>
               <artifactId>maven-war-plugin</artifactId>
               <version>2.6</version>
-              <configuration>
-                <failOnMissingWebXml>false</failOnMissingWebXml>
-                  <warName>simplewebapp</warName>
-              </configuration>
           </plugin>
       </plugins>
   </build>