Dockerfile部署Tomcat-9.0.16镜像

全步骤：

[root@localhost ~]# yum install yum-utils device-mapper-persistent-data lvm2 -y[root@localhost ~]# yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo[root@localhost ~]# yum install -y docker-ce[root@localhost ~]# systemctl stop firewalld.service[root@localhost ~]# setenforce 0[root@localhost ~]# systemctl start docker.service[root@localhost ~]# systemctl enable docker.service[root@localhost ~]# tee /etc/docker/daemon.json <<-'EOF'{  "registry-mirrors": ["https://w1ogxqvl.mirror.aliyuncs.com"]}EOF[root@localhost ~]# systemctl daemon-reload[root@localhost ~]# systemctl restart docker[root@localhost ~]# docker pull centos:7[root@localhost ~]# docker imagesREPOSITORY            TAG                 IMAGE ID            CREATED             SIZEcentos                7                   5e35e350aded        6 weeks ago         203MB[root@localhost ~]# lsanaconda-ks.cfg   模板  图片  下载  桌面    initial-setup-ks.cfg  公共  视频  文档  音乐[root@localhost ~]# mkdir tomcat[root@localhost ~]# lsanaconda-ks.cfg       tomcat  模板  图片  下载  桌面initial-setup-ks.cfg  公共    视频  文档  音乐`接下来的操作需要先把 jdk-8u91-linux-x64.tar.gz 和 apache-tomcat-9.0.16.tar.gz 两个压缩包 下载下来之后放在 /root/tomcat/ 目录下，再直接解压`[root@localhost ~]# cd tomcat/[root@localhost tomcat]# lsjdk-8u91-linux-x64.tar.gz   apache-tomcat-9.0.16.tar.gz[root@localhost tomcat]# tar zxvf jdk-8u91-linux-x64.tar.gz[root@localhost tomcat]# tar zxvf apache-tomcat-9.0.16.tar.gz[root@localhost tomcat]# vim Dockerfile#基于基础镜像FROM centos:7MAINTAINER This is tomcat serverADD jdk-8u91-linux-x64.tar.gz /rootRUN mv /root/jdk1.8.0_91/ /usr/local/jdk1.8ENV JAVA_HOME=/usr/local/jdk1.8ENV CLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jarENV PATH=$JAVA_HOME/bin:$PATHADD apache-tomcat-9.0.16.tar.gz /rootRUN mv /root/apache-tomcat-9.0.16/ /usr/local/tomcatRUN ln -s /usr/local/tomcat/bin/shutdown.sh /usr/local/bin/;ln -s /usr/local/tomcat/bin/startup.sh /usr/local/bin/EXPOSE 8080ENTRYPOINT /usr/local/tomcat/bin/startup.sh && /bin/bash && tail -f /usr/local/tomcat/logs/catalina.out[root@localhost tomcat]# docker build -t tomcat:centos [root@localhost tomcat]# docker run -d -P tomcat:centos61946199e564f72903d17f70d0d1d14627d7b01e5dc80a808936866c494fc1c5[root@localhost tomcat]# docker ps -aCONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS                         PORTS                     NAMES61946199e564        tomcat:centos       "/bin/sh -c '/usr/lo…"   12 seconds ago      Up 11 seconds                  0.0.0.0:32768->8080/tcp   quirky_wilbur#端口为32768

验证：回到宿主机在浏览器中访问CentOS的IP地址的32768端口，看是否可以访问Tomcat主页