docker使用alpine系统构建tomcat镜像

FROM frolvlad/alpine-oraclejdk8
#此镜像使用alpine-glibc系统，精简jdk,只运行java程序，无法编译/构建
MAINTAINER huqiang:2018/10/12
ENV VERSION=8.5.34
ENV CATALINA_HOME /usr/local/tomcat
ENV PATH $CATALINA_HOME/bin:$PATH
ENV CATALINA_OPTS=" 
-Xms1g 
-Xmx1g   
-Xss512k 
-Xmn500m 
-XX:MetaspaceSize=128m  
-XX:MaxMetaspaceSize=512m  
-Xloggc:$CATALINA_HOME/logs/gc.log 
-XX:+PrintGCDetails  
-XX:+PrintGCDateStamps  
-XX:+PrintPromotionFailure  
-XX:-UseBiasedLocking   
-XX:AutoBoxCacheMax=20000   
-XX:+AlwaysPreTouch  
-Djava.security.egd=file:/dev/./urandom 
-XX:+ExplicitGCInvokesConcurrent  
-XX:+ParallelRefProcEnabled  
-XX:+UseConcMarkSweepGC  
-XX:CMSInitiatingOccupancyFraction=75  
-XX:+UseCMSInitiatingOccupancyOnly  
-XX:-CMSClassUnloadingEnabled  
-XX:+CMSScavengeBeforeRemark 
-XX:+HeapDumpOnOutOfMemoryError   
-XX:HeapDumpPath=$CATALINA_HOME/logs  
-XX:OnOutOfMemoryError=$CATALINA_HOME/bin/stop.sh  
-XX:ErrorFile=$CATALINA_HOME/logs/hs_err_%p.log  
-XX:+PrintCommandLineFlags  
-XX:+PrintFlagsFinal  
-XX:-OmitStackTraceInFastThrow 
-Duser.timezone=Asia/Shanghai  
-Djavax.servlet.request.encoding=UTF-8 
-Djavax.servlet.response.encoding=UTF-8 
-Dfile.encoding=UTF-8 
-Duser.country=CN 
-Duser.language=zh 
-Djava.awt.headless=true 
-Dcom.sun.management.jmxremote.port=1099  
-Dcom.sun.management.jmxremote.ssl=false  
-Dcom.sun.management.jmxremote.authenticate=false 
-Djava.rmi.server.hostname=www.tomcat.com" 
RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
RUN apk add --no-cache --virtual=build-dependencies wget
RUN wget http://mirrors.shu.edu.cn/apache/tomcat/tomcat-8/v${VERSION}/bin/apache-tomcat-${VERSION}.tar.gz 
&& tar zxf apache-tomcat-${VERSION}.tar.gz 
&& mv apache-tomcat-${VERSION} $CATALINA_HOME 
&& apk del build-dependencies 
&& rm -rf apache-tomcat-${VERSION}.tar.gz $CATALINA_HOME/webapps/* $CATALINA_HOME/bin/*.bat 
&& mkdir $CATALINA_HOME/webapps/ROOT 
# 处理Tomcat启动慢问题（随机数产生器初始化过慢）
&& sed -i "s#securerandom.source=file:/dev/random#securerandom.source=file:/dev/./urandom#g" $JAVA_HOME/jre/lib/security/java.security

WORKDIR $CATALINA_HOME
EXPOSE 8080
CMD ["catalina.sh", "run"]