一、实验环境：
[root@docker1 tomcat9]# cat /etc/redhat-release
CentOS Linux release 7.7.1908 (Core)
[root@docker1 tomcat9]# uname -r
3.10.0-1062.el7.x86_64
二、实验准备：
没有资源的可以上我的网盘下载：
https://pan.baidu.com/s/1r3Y2ziVVDEL9xM1p36cv-Q 提取码：eg0d
apache-tomcat-8.0.9.tar.gz
jdk-8u161-linux-x64.tar.gz
[root@docker1 tomcat9]# pwd
/mydockerfile/tomcat9
[root@docker1 tomcat9]# ll
total 194244
-rw-r--r--. 1 root root 9144234 May 21 03:08 apache-tomcat-8.0.9.tar.gz
-rw-r--r--. 1 root root 0 May 21 02:56 c.txt
-rw-r--r--. 1 root root 189756259 May 21 03:08 jdk-8u161-linux-x64.tar.gz
[root@docker1 tomcat9]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
centos latest 470671670cac 4 months ago 237MB
三、创建Dockerfile*(重点)
[root@docker1 tomcat9]# vim dockerfile
FROM centos
MAINTAINER caq([email protected])
# 把宿主机当前目录下c.txt拷贝到容器/usr/local/路径下
COPY c.txt /usr/local/newname.txt
# 把java与tomcat加入到容器
ADD jdk-8u161-linux-x64.tar.gz /usr/local/
ADD apache-tomcat-8.0.9.tar.gz /usr/local/
#安装vim编辑器
RUN yum install -y vim
#设置工作访问路径
ENV MYPATH /usr/local
WORKDIR $MYPATH
#设置JAVA与tomcat环境变量
ENV JAVA_HOME /usr/local/jdk1.8.0.161
ENV CLASSPATH $JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.har
ENV CATALINA_HOME /usr/local/apache-tomcat-8.0.9
ENV CATALINA_BASE /usr/local/apache-tomcat-8.0.9
ENV PATH $PATH:$JAVA_HOME/bin:$CATALINA_HOME/lib:$CATALINA_HOME/bin
# 容器运行时的监听端口
EXPOSE 8080
# 启动时运行tomcat
CMD /usr/local/apache-tomcat-8.0.9/bin/startup.sh && tail -F /usr/local/apache-tomcat-8.0.9/bin/logs/catalina.out
[root@docker1 tomcat9]# ll
total 194248
-rw-r--r--. 1 root root 9144234 May 21 03:08 apache-tomcat-8.0.9.tar.gz
-rw-r--r--. 1 root root 0 May 21 02:56 c.txt
-rw-r--r--. 1 root root 862 May 21 03:31 dockerfile
-rw-r--r--. 1 root root 189756259 May 21 03:08 jdk-8u161-linux-x64.tar.gz
四、创建容器
[root@docker1 tomcat9]# docker build -t testtomcat .
Sending build context to Docker daemon 198.9MB
Step 1/15 : FROM centos
---> 470671670cac
Step 2/15 : MAINTAINER caq([email protected])
---> Running in 616cc7ece2e4
Removing intermediate container 616cc7ece2e4
---> 06cb640d9023
Step 3/15 : COPY c.txt /usr/local/newname.txt
---> 2df05ecd0715
Step 4/15 : ADD jdk-8u161-linux-x64.tar.gz /usr/local/
---> a6cbd7a8edb5
Step 5/15 : ADD apache-tomcat-8.0.9.tar.gz /usr/local/
---> 671a34f092e5
Step 6/15 : RUN yum install -y vim
---> Running in 9afb4449d710
CentOS-8 - AppStream 711 kB/s | 7.0 MB 00:10
CentOS-8 - Base 745 kB/s | 2.2 MB 00:03
CentOS-8 - Extras 7.0 kB/s | 5.9 kB 00:00
Dependencies resolved.
================================================================================
Package Arch Version Repository Size
================================================================================
Installing:
vim-enhanced x86_64 2:8.0.1763-13.el8 AppStream 1.4 M
Installing dependencies:
gpm-libs x86_64 1.20.7-15.el8 AppStream 39 k
vim-common x86_64 2:8.0.1763-13.el8 AppStream 6.3 M
vim-filesystem noarch 2:8.0.1763-13.el8 AppStream 48 k
which x86_64 2.21-10.el8 BaseOS 49 k
Transaction Summary
================================================================================
Install 5 Packages
Total download size: 7.8 M
Installed size: 31 M
Downloading Packages:
(1/5): gpm-libs-1.20.7-15.el8.x86_64.rpm 11 kB/s | 39 kB 00:03
(2/5): vim-enhanced-8.0.1763-13.el8.x86_64.rpm 212 kB/s | 1.4 MB 00:06
(3/5): which-2.21-10.el8.x86_64.rpm 191 kB/s | 49 kB 00:00
(4/5): vim-filesystem-8.0.1763-13.el8.noarch.rp 5.2 kB/s | 48 kB 00:09
(5/5): vim-common-8.0.1763-13.el8.x86_64.rpm 400 kB/s | 6.3 MB 00:16
--------------------------------------------------------------------------------
Total 457 kB/s | 7.8 MB 00:17
warning: /var/cache/dnf/AppStream-02e86d1c976ab532/packages/gpm-libs-1.20.7-15.el8.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID 8483c65d: NOKEY
CentOS-8 - AppStream 178 kB/s | 1.6 kB 00:00
Importing GPG key 0x8483C65D:
Userid : "CentOS (CentOS Official Signing Key) <[email protected]>"
Fingerprint: 99DB 70FA E1D7 CE22 7FB6 4882 05B5 55B3 8483 C65D
From : /etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
Key imported successfully
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing : 1/1
Installing : which-2.21-10.el8.x86_64 1/5
Installing : vim-filesystem-2:8.0.1763-13.el8.noarch 2/5
Installing : vim-common-2:8.0.1763-13.el8.x86_64 3/5
Installing : gpm-libs-1.20.7-15.el8.x86_64 4/5
Running scriptlet: gpm-libs-1.20.7-15.el8.x86_64 4/5
Installing : vim-enhanced-2:8.0.1763-13.el8.x86_64 5/5
Running scriptlet: vim-enhanced-2:8.0.1763-13.el8.x86_64 5/5
Running scriptlet: vim-common-2:8.0.1763-13.el8.x86_64 5/5
Verifying : gpm-libs-1.20.7-15.el8.x86_64 1/5
Verifying : vim-common-2:8.0.1763-13.el8.x86_64 2/5
Verifying : vim-enhanced-2:8.0.1763-13.el8.x86_64 3/5
Verifying : vim-filesystem-2:8.0.1763-13.el8.noarch 4/5
Verifying : which-2.21-10.el8.x86_64 5/5
Installed:
vim-enhanced-2:8.0.1763-13.el8.x86_64 gpm-libs-1.20.7-15.el8.x86_64
vim-common-2:8.0.1763-13.el8.x86_64 vim-filesystem-2:8.0.1763-13.el8.noarch
which-2.21-10.el8.x86_64
Complete!
Removing intermediate container 9afb4449d710
---> fb0dbdbd60b1
Step 7/15 : ENV MYPATH /usr/local
---> Running in f6e5b13f666b
Removing intermediate container f6e5b13f666b
---> 7b0699867a8c
Step 8/15 : WORKDIR $MYPATH
---> Running in 6628bc543818
Removing intermediate container 6628bc543818
---> 45566edb4b73
Step 9/15 : ENV JAVA_HOME /usr/local/jdk1.8.0.161
---> Running in 2354405b3ea8
Removing intermediate container 2354405b3ea8
---> 44e6df753038
Step 10/15 : ENV CLASSPATH $JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.har
---> Running in 2c27723e5688
Removing intermediate container 2c27723e5688
---> a4bedc629b93
Step 11/15 : ENV CATALINA_HOME /usr/local/apache-tomcat-8.0.9
---> Running in c3cc0aa29261
Removing intermediate container c3cc0aa29261
---> 8d6d430728e6
Step 12/15 : ENV CATALINA_BASE /usr/local/apache-tomcat-8.0.9
---> Running in 43dcef67e92b
Removing intermediate container 43dcef67e92b
---> d6e3704b7d1e
Step 13/15 : ENV PATH $PATH:$JAVA_HOME/bin:$CATALINA_HOME/lib:$CATALINA_HOME/bin
---> Running in 91b932191c70
Removing intermediate container 91b932191c70
---> bda5d6d28085
Step 14/15 : EXPOSE 8080
---> Running in 1d19f7899119
Removing intermediate container 1d19f7899119
---> 2ca0b456ba49
Step 15/15 : CMD /usr/local/apache-tomcat-8.0.9/bin/startup.sh && tail -F /usr/local/apache-tomcat-8.0.9/bin/logs/catalina.out
---> Running in 670d46a56409
Removing intermediate container 670d46a56409
---> d57ca588cc1b
Successfully built d57ca588cc1b
Successfully tagged testtomcat:latest
五、运行容器
[root@docker1 tomcat9]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
[root@docker1 tomcat9]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
testtomcat latest d57ca588cc1b 5 minutes ago 694MB
[root@docker1 tomcat9]# docker run -d -p 80:8080 -v /mydockerfile/tomcat9/test:/usr/local/apache-tomcat-8.0.9/webapps/test -v /mydockerfile/tomcat9/test2/:/usr/local/apache-tomcat-8.0.9/logs --privileged=true testtomcat
43a5d886018d016984ea35941b92d08c72576c3c1ad44f9d9986393884a6dc06
六、进行测试
[root@docker1 tomcat9]# ll
total 194248
-rw-r--r--. 1 root root 9144234 May 21 03:08 apache-tomcat-8.0.9.tar.gz
-rw-r--r--. 1 root root 0 May 21 02:56 c.txt
-rw-r--r--. 1 root root 862 May 21 03:31 dockerfile
-rw-r--r--. 1 root root 189756259 May 21 03:08 jdk-8u161-linux-x64.tar.gz
drwxr-xr-x. 2 root root 6 May 21 03:42 test
drwxr-xr-x. 2 root root 26 May 21 03:42 test2
[root@docker1 tomcat9]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
43a5d886018d testtomcat "/bin/sh -c '/usr/lo…" 3 minutes ago Up 3 minutes 0.0.0.0:80->8080/tcp gallant_swartz
[root@docker1 tomcat9]# docker exec 43a5d886018d ls -l
total 0
drwxr-xr-x. 1 root root 21 May 21 07:32 apache-tomcat-8.0.9
drwxr-xr-x. 2 root root 6 May 11 2019 bin
drwxr-xr-x. 2 root root 6 May 11 2019 etc
drwxr-xr-x. 2 root root 6 May 11 2019 games
drwxr-xr-x. 2 root root 6 May 11 2019 include
drwxr-xr-x. 8 10 143 255 Dec 20 2017 jdk1.8.0_161
drwxr-xr-x. 2 root root 6 May 11 2019 lib
drwxr-xr-x. 2 root root 6 May 11 2019 lib64
drwxr-xr-x. 2 root root 6 May 11 2019 libexec
-rw-r--r--. 1 root root 0 May 21 06:56 newname.txt
drwxr-xr-x. 2 root root 6 May 11 2019 sbin
drwxr-xr-x. 5 root root 49 Jan 13 21:49 share
drwxr-xr-x. 2 root root 6 May 11 2019 src