v1

Dockerfile

 FROM tomcat:8-jdk8
-ARG WAR_LOCATION="http://kcuc.koala-cloud.com/b2c-two.tar.gz"
 RUN rm -rf /usr/local/tomcat/webapps/* && \
     cd /usr/local/tomcat/webapps/ && \
-    wget -O b2c-two.tar.gz "${WAR_LOCATION}" && \
-    tar -zxf b2c-two.tar.gz && \
-    rm -f b2c-two.tar.gz & \
+    wget -O "${PROJECT_NAME}" "${WAR_LOCATION}" && \
+    tar -zxf "${PROJECT_NAME}" && \
+    rm -f "${PROJECT_NAME}" & \
     chown -R 1000:1000 /usr/local/tomcat/webapps/
 USER 1000
 CMD ["/usr/local/tomcat/bin/catalina.sh", "run"]