Update pro-be.jenkinsfile

jenkinsfile/pro-be.jenkinsfile

@@ -40,7 +40,7 @@ pipeline {
               cp -rf  /var/jenkins_home/jobs/fonts $WORKSPACE/$server_project/target/
               cp -rf /var/jenkins_home/$PROJECT/db_prop  $WORKSPACE/$server_project/target/
 
-
+              echo "FROM tomcat:8" > /var/jenkins_home/dockerfile/$PROJECT/$JARNAME
               echo "COPY $server_project.war /usr/local/tomcat/webapps/" >> /var/jenkins_home/dockerfile/$PROJECT/$JARNAME
               echo "COPY pinpoint-agent-2.0.2-SNAPSHOT /root/" >> /var/jenkins_home/dockerfile/$PROJECT/$JARNAME
               echo "COPY catalina.sh /usr/local/tomcat/bin/" >> /var/jenkins_home/dockerfile/$PROJECT/$JARNAME