【云原生 | 23】Docker运行Web服务实战之Tomcat

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目录

1. 关于Tomcat

2. 准备工作 

3. Dockerfile文件和其他脚本文件 

4. 创建和测试镜像 

 👑👑👑结束语👑👑👑

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1. 关于Tomcat

$ docker search tomcat | wc -l 
285

2. 准备工作 

$ mkdir tomcat7.0_jdk1.6 
$ cd tomcat7.0_jdk1.6/ 
$ touch Dockerfile run.sh

$ wget http://mirror.bit.edu.cn/apache/tomcat/tomcat-7/v7.0.56/bin/apache-tomcat- 7.0.56.zip

$ ls 
Dockerfile apache-tomcat-7.0.56 jdk run.sh

3. Dockerfile文件和其他脚本文件 

FROM sshd:Dockerfile
#设置继承自用户创建的sshd镜像
MAINTAINER docker_user (user@docker.com)
#下面是一些创建者的基本信息
#设置环境变量，所有操作都是非交互式的
ENV DEBIAN_FRONTEND noninteractive
#注意这里要更改系统的时区设置
RUN echo "Asia/Shanghai" > /etc/timezone && \ dpkg-reconfigure -f noninteractive tzdata
#安装跟tomcat用户认证相关的软件
RUN apt-get install -yq --no-install-recommends wget pwgen ca-certificates && \ apt-get clean && \ rm -rf /var/lib/apt/lists/*
#设置tomcat的环境变量，若读者有其他的环境变量需要设置，也可以在这里添加。
ENV CATALINA_HOME /tomcat 
ENV JAVA_HOME /jdk
#复制tomcat和jdk文件到镜像中
ADD apache-tomcat-7.0.56 /tomcat 
ADD jdk /jdk 
ADD create_tomcat_admin_user.sh /create_tomcat_admin_user.sh 
ADD run.sh /run.sh 
RUN chmod +x /*.sh 
RUN chmod +x /tomcat/bin/*.sh
EXPOSE 8080 
CMD ["/run.sh"]

#!/bin/bash
if [ -f /.tomcat_admin_created ]; then
    echo "Tomcat 'admin' user already created" 
    exit 0
fi
#generate password 
PASS=${TOMCAT_PASS:-$(pwgen -s 12 1)} 
_word=$( [ ${TOMCAT_PASS} ] && echo "preset" || echo "random" ) 
echo "=> Creating and admin user with a ${_word} password in Tomcat" 
sed -i -r 's/<\/tomcat-users>//' ${CATALINA_HOME}/conf/tomcat-users.xml 
echo '' >> ${CATALINA_HOME}/conf/tomcat-users.xml 
echo '' >> ${CATALINA_HOME}/conf/tomcat-users.xml 
echo '' >> ${CATALINA_HOME}/conf/tomcat-users.xml 
echo '' >> ${CATALINA_HOME}/conf/tomcat-users.xml 
echo '' >> ${CATALINA_HOME}/conf/tomcat-users.xml 
echo "${PASS}\" roles=\"manager-gui,manager- script,manager-jmx,admin-gui, admin-script\"/>" >> ${CATALINA_HOME}/conf/ tomcat-users.xml echo '' >> ${CATALINA_HOME}/conf/tomcat-users.xml
echo "=> Done!" touch /.tomcat_admin_created 
echo "========================================================================" 
echo "You can now configure to this Tomcat server using:" echo "" 
echo " admin:${PASS}" echo "" 
echo "========================================================================"

#!/bin/bash 
if [ ! -f /.tomcat_admin_created ]; then 
    /create_tomcat_admin_user.sh 
fi
/usr/sbin/sshd -D & 
exec ${CATALINA_HOME}/bin/catalina.sh run

4. 创建和测试镜像 

$ docker build -t tomcat7.0:jdk1.6 .

$ docker run -d -P tomcat7.0:jdk1.6 3cd4238cb32a713a3a1c29d93fbfc80cba150653b5eb8bd7629bee957e7378ed

$ docker logs 3cd 
=> Creating and admin user with a random password in Tomcat 
=> Done! ======================================================================== 
You can now configure to this Tomcat server using: 
    admin:aBwN0CNCPckw

$ docker ps 
CONTAINER ID     IMAGE     COMMAND     CREATED     STATUS     PORTS     NAMES 
3cd4238cb32a tomcat7.0:jdk1.6 "/run.sh" 4 seconds ago Up 3 seconds 0.0.0.0:49157->22/tcp, 0.0.0.0:49158->8080/tcp cranky_wright

 👑👑👑结束语👑👑👑

为大家推荐一款刷题神奇 点击链接访问牛客网

各大互联网大厂面试真题。基础题库到进阶题库等各类面试题应有尽有！

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