Dockerfile构建JDK+Tomcat环境

环境准备

[root@iZuf6fpaicz5jt7kep555qZ soft]# ll
total 200452
-rw-r--r-- 1 root root  10267082 Oct 31 18:06 apache-tomcat-8.5.47.tar.gz
-rw-r--r-- 1 root root 194990602 Jul  2 14:10 jdk-8u211-linux-x64.tar.gz
[root@iZuf6fpaicz5jt7kep555qZ soft]#

Tomcat8.5下载

JDK8.0下载

解压

[root@iZuf6fpaicz5jt7kep555qZ docker]# ll
total 12
drwxr-xr-x 9 root root 4096 Oct 31 18:11 apache-tomcat-8.5.47
-rw-r--r-- 1 root root  395 Nov  1 11:25 dockerfile
drwxr-xr-x 7   10  143 4096 Apr  2  2019 jdk1.8.0_211
[root@iZuf6fpaicz5jt7kep555qZ docker]#

编写Dockerfile

FROM centos:7.6.1810    	# 指定操作镜像
MAINTAINER MoWenJie     	# 维护者
RUN mkdir -p /usr/local/soft    	# 在容器里面创建目录
ADD jdk1.8.0_211 /usr/local/soft/jdk    		# 将解压出来的目录添加到容器/usr/local/soft/目录并命名为jdk
ADD apache-tomcat-8.5.47 /usr/local/soft/tomcat         # 将解压出来的目录添加到容器/usr/local/soft目录并命名为tomcat
ENV JAVA_HOME /usr/local/soft/jdk
ENV CATALINA_HOME /usr/local/soft/tomcat
ENV PATH $PATH:$JAVA_HOME/bin:$CATALINA_HOME/bin
EXPOSE 8080     	#暴露端口
CMD ["/usr/local/soft/tomcat/bin/catalina.sh","run"]    	# 启动容器时，执行Tomcat启动脚本

构建Docker镜像

[root@iZuf6fpaicz5jt7kep555qZ docker]# ll
total 12
drwxr-xr-x 9 root root 4096 Oct 31 18:11 apache-tomcat-8.5.47
-rw-r--r-- 1 root root  346 Nov  2 11:12 dockerfile
drwxr-xr-x 7   10  143 4096 Apr  2  2019 jdk1.8.0_211
[root@iZuf6fpaicz5jt7kep555qZ docker]# docker build -t repostory/tomcat_jdk:2.0 .	# -t打标签
Sending build context to Docker daemon 422.8 MB
Step 1/10 : FROM centos:7.6.1810
 ---> f1cb7c7d58b7
Step 2/10 : MAINTAINER MoWenJie
 ---> Using cache
 ---> 652a92e8f2fa
Step 3/10 : RUN mkdir -p /usr/local/soft
 ---> Using cache
 ---> 42eb52bad072
Step 4/10 : ADD jdk1.8.0_211 /usr/local/soft/jdk
 ---> Using cache
 ---> c142d358bf2e
Step 5/10 : ADD apache-tomcat-8.5.47 /usr/local/soft/tomcat
 ---> Using cache
 ---> e3f2919dac2b
Step 6/10 : ENV JAVA_HOME /usr/local/soft/jdk
 ---> Using cache
 ---> 92b9fac0f51e
Step 7/10 : ENV CATALINA_HOME /usr/local/soft/tomcat
 ---> Using cache
 ---> ae6b60353cd5
Step 8/10 : ENV PATH $PATH:$JAVA_HOME/bin:$CATALINA_HOME/bin
 ---> Using cache
 ---> f516931fe41f
Step 9/10 : EXPOSE 8080
 ---> Using cache
 ---> 7ff9a455cc1f
Step 10/10 : CMD /usr/local/soft/tomcat/bin/catalina.sh run
 ---> Using cache
 ---> 0e41970d2da1
Successfully built 0e41970d2da1
[root@iZuf6fpaicz5jt7kep555qZ docker]#

查看镜像

[root@iZuf6fpaicz5jt7kep555qZ docker]# docker image ls 
REPOSITORY             TAG                 IMAGE ID            CREATED             SIZE
repostory/tomcat_jdk   2.0                 0e41970d2da1        40 hours ago        623 MB
repostory/tomcat_jdk   latest              0e41970d2da1        40 hours ago        623 MB
centos                 7.6.1810            f1cb7c7d58b7        7 months ago        202 MB
[root@iZuf6fpaicz5jt7kep555qZ docker]#

通过镜像启动容器

[root@iZuf6fpaicz5jt7kep555qZ docker]# docker run -d -p 8089:8080 --name tomjdk2.0 repostory/tomcat_jdk:2.0
# -d以守护的方式运行
# -p将宿主机的8089映射到容器的8089端口
[root@iZuf6fpaicz5jt7kep555qZ docker]# docker container ls -a
CONTAINER ID        IMAGE                      COMMAND                  CREATED             STATUS              PORTS                    NAMES
dc293559e340        repostory/tomcat_jdk:2.0   "/usr/local/soft/t..."   7 seconds ago       Up 6 seconds        0.0.0.0:8089->8080/tcp   tomjdk2.0
da8f47634bc8        repostory/tomcat_jdk       "/usr/local/soft/t..."   41 hours ago        Up 41 hours         0.0.0.0:8080->8080/tcp   tomjdk
[root@iZuf6fpaicz5jt7kep555qZ docker]#

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