docker如何正确部署web项目呢

vi  Dockerfile

FROM centos

MAINTAINER this is dock image <jsh>

ADD jdk1.8.0_191 /usr/local/java

ENV JAVA_HOME /usr/local/java

ENV JAVA_BIN /usr/local/java/bin

ENV JRE_HOME /usr/local/java/jre

ENV PATH $PATH:/usr/local/java/bin:/usr/local/java/jre/bin

ENV CLASSPATH /usr/local/java/jre/bin:/usr/local/java/lib:/usr/local/java/jre/lib/charsets.jar

ADD apache-tomcat-8.5.40 /usr/local/tomcat8

ENTRYPOINT ["/usr/local/tomcat8/bin/catalina.sh","run"]

ADD ./manager.war /usr/local/tomcat8/webapps

EXPOSE 8080