[root@localhost createImages]# ls
apache-tomcat-8.5.14.tar.gz  server-jre-8u121-linux-x64.tar.gz
[root@localhost createImages]# vim Dockerfile

FROM centos:latest
MAINTAINER xiongjiajia2007@qq.com
ADD ./apache-tomcat-8.5.14.tar.gz /root
ADD ./server-jre-8u121-linux-x64.tar.gz /root
ENV JAVA_HOME /root/jdk1.8.0_121
ENV PATH $JAVA_HOME/bin:$PATH
ENTRYPOINT /root/apache-tomcat-8.5.14/bin/startup.sh && tail -F /root/apache-tomcat-8.5.14/logs/catalina.out

# --rm=true指定在生成镜像过程中删除中间产生的临时容器。
[root@localhost createImages]# docker build -t kevin/centos:tomcat-centos --rm=true .
Sending build context to Docker daemon  64.05MB
Step 1/7 : FROM centos:latest
 ---> a8493f5f50ff
Step 2/7 : MAINTAINER xiongjiajia2007@qq.com
 ---> Running in 712cff3cdde6
 ---> 0df02775da50
Removing intermediate container 712cff3cdde6
Step 3/7 : ADD ./apache-tomcat-8.5.14.tar.gz /root
 ---> ff83c6dc3551
Removing intermediate container 188b5248d4c6
Step 4/7 : ADD ./server-jre-8u121-linux-x64.tar.gz /root
 ---> 3435ea7545d0
Removing intermediate container 7756f66ee1d2
Step 5/7 : ENV JAVA_HOME /root/jdk1.8.0_121
 ---> Running in e8c244aa9aa6
 ---> 985fbbd99d3e
Removing intermediate container e8c244aa9aa6
Step 6/7 : ENV PATH $JAVA_HOME/bin:$PATH
 ---> Running in 21bae273d39c
 ---> 0a8817a95f51
Removing intermediate container 21bae273d39c
Step 7/7 : ENTRYPOINT /root/apache-tomcat-8.5.14/bin/startup.sh && tail -F /root/apache-tomcat-8.5.14/logs/catalina.out
 ---> Running in b24be846b038
 ---> dbc07307031d
Removing intermediate container b24be846b038
Successfully built dbc07307031d
[root@localhost createImages]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
kevin/centos        tomcat-centos       dbc07307031d        25 seconds ago      357MB

# docker run <相关参数> <镜像 ID> <初始命令>
# -p 指定主机80端口与容器8080端口进行绑定
# -d 指定容器运行后与当前tty分离，后台运行
# -i：表示以“交互模式”运行容器
# -t：表示容器启动后会进入其命令行
# -v：表示需要将本地哪个目录挂载到容器中，
# 格式：-v <宿主机目录>:<容器目录>
# dbc0是镜像的ID前4位。

[root@wls12c web]$ docker run -d -p 8090:8080 dbc0
aec717552fa6620f73a74ee5df177501a3af25a6c5cea76b27f55dd204122f0b
# 联网访问宿主机 http://192.168.0.164:8090/ OK
# 保存镜像
[root@localhost createImages]# docker save -o docker-image-centos_jre_tomcat.tar.gz kevin/centos:tomcat-centos
# 修改权限
[root@localhost createImages]# chmod 777 docker-image-centos_jre_tomcat.tar.gz
# 查看运行的容器和镜像
[root@localhost createImages]# docker ps -a
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES
aec717552fa6        dbc0                "/bin/sh -c ‘/root..."   12 minutes ago      Up 12 minutes       0.0.0.0:8090->8080/tcp   focused_roentgen
# 停止容器
[root@localhost createImages]# docker stop aec717552fa6
aec717552fa6
# 删除容器
[root@localhost createImages]# docker rm aec717552fa6
aec717552fa6
# 删除镜像
[root@localhost createImages]# docker rmi dbc0
Untagged: kevin/centos:tomcat-centos
Deleted: sha256:dbc07307031d81c18395c044e7bfca81cb31667fb07690d88c57ef6c27ad9a78
Deleted: sha256:0a8817a95f511f0a68f8ebb3952678349e46e9bd6f06064f0d043a03c827f372
Deleted: sha256:985fbbd99d3ef96219f21709fd65751e90a0bd05810df2e97b19d13ac5dad1ab
Deleted: sha256:3435ea7545d0b4b8b1d1b76e6ee2fd1501473f0bf8a6b01d08600c446de6e4aa
Deleted: sha256:6eb6f275663c773463eb5d521bd51636f7cbd4af0f3872a464dffb9104230984
Deleted: sha256:ff83c6dc35514bfeafbe9ba45b1e7dd94fcd3873e6c2e54bfe38679910d792c6
Deleted: sha256:b5dcd31d7b8e5c2038afc7c1e6cb65d3988ef1b990f46a0ef2f8cab34a78bec3
Deleted: sha256:0df02775da507966f191a546a1890ba59d89082e7679d47ead88c787e64361aa
# 迁移加载镜像
[root@localhost createImages]# docker load < docker-image-centos_jre_tomcat.tar.gz
788680cd384f: Loading layer [==================================================>]  13.78MB/13.78MB
8cbad8252262: Loading layer [==================================================>]  151.7MB/151.7MB
Loaded image: kevin/centos:tomcat-centos