退到tomcat目錄下，新建兩個業務用的目錄文件

[root@node6 /data/dockerfile/web/tomcat/tomcat-base]#cd ..

[root@node6 /data/dockerfile/web/tomcat]#mkdir tomcat-app1

[root@node6 /data/dockerfile/web/tomcat]#mkdir tomcat-app2

進入Tomcat-app1目錄下創建Dockerfile文件

[root@node6 /data/dockerfile/web/tomcat]#cd tomcat-app1

[root@node6 /data/dockerfile/web/tomcat/tomcat-app1]#vim Dockerfile

FROM 172.20.7.50/baseimages/centos-tomcat:8.5.33

LABEL maintainer "mr.luo "

RUN mkdir -p /data/tomcat/webapps/myapp && useradd tomcat

ADD index.html /data/tomcat/webapps/myapp

ADD run_tomcat.sh /apps/tomcat/bin/run_tomcat.sh

COPY server.xml /apps/tomcat/conf/server.xml

RUN chown -R tomcat.tomcat /apps /data/tomcat/webapps

EXPOSE 8080

CMD ["/apps/tomcat/bin/run_tomcat.sh"]

創建測試文件

[root@node6 /data/dockerfile/web/tomcat/tomcat-app1]#vim index.html

tomcat testapp1

拷貝server.xml文件到當前目錄下。

[root@node6 /data/dockerfile/web/tomcat/tomcat-app1]#cp /usr/local/apache-tomcat-8.5.33/conf/server.xml ./

編輯server.xml文件修改host的路徑

[root@node6 /data/dockerfile/web/tomcat/tomcat-app1]#vim server.xml

創建tomcat啟動腳本、并給腳本添加執行權限

[root@node6 /data/dockerfile/web/tomcat/tomcat-app1]#vim run_tomcat.sh

#!/bin/bash

echo "1.1.1.1 abc.test.com" >> /etc/hosts

echo "nameserver 223.5.5.5" > /etc/resolv.conf

su – tomcat -c "/apps/tomcat/bin/catalina.sh start"

su – tomcat -c "tail -f /etc/hosts"

# 給腳本添加執行權限

[root@node6 /data/dockerfile/web/tomcat/tomcat-app1]#chmod +x run_tomcat.sh

創建docker build 腳本

[root@node6 /data/dockerfile/web/tomcat/tomcat-app1]#vim build-command.sh

#!/bin/bash

# Dockerfile build shell

docker build -t 172.20.7.50/baseimages/centos-tomcat-web:app1 .

開始制作鏡像

[root@node6 /data/dockerfile/web/tomcat/tomcat-app1]#bash build-command.sh

Sending build context to Docker daemon 13.31kB

Step 1/9 : FROM 172.20.7.50/baseimages/centos-tomcat:8.5.33

—> 872c70dd2181

Step 2/9 : LABEL maintainer "mr.luo "

—> Using cache

—> e97895b822f7

Step 3/9 : RUN mkdir -p /data/tomcat/webapps/myapp && useradd tomcat

—> Using cache

—> 72bb5e03ae16

Step 4/9 : ADD index.html /data/tomcat/webapps/myapp

—> 1f7213ebca35

Step 5/9 : ADD run_tomcat.sh /apps/tomcat/bin/run_tomcat.sh

—> 810821a8e3ec

Step 6/9 : COPY server.xml /apps/tomcat/conf/server.xml

—> c0e804cc499d

Step 7/9 : RUN chown -R tomcat.tomcat /apps /data/tomcat/webapps

—> Running in a4a8923b3d14

Removing intermediate container a4a8923b3d14

—> ef1bc1eeba9c

Step 8/9 : EXPOSE 8080

—> Running in f0932e1e1990

Removing intermediate container f0932e1e1990

—> bc4e67b65e5e

Step 9/9 : CMD ["/apps/tomcat/bin/run_tomcat.sh"]

—> Running in cba94e6d84e1

Removing intermediate container cba94e6d84e1

—> 3714c600c51e

Successfully built 3714c600c51e

Successfully tagged 172.20.7.50/baseimages/centos-tomcat-web:app1

啟動剛制作好的鏡像，測試tomcat是否制作成功

[root@node6 /data/dockerfile/web/tomcat/tomcat-app1]#docker run –name tom1 -it -d -p 8801:8080 172.20.7.50/baseimages/centotomcat-web:app1

6b77dd85d8a74b7475bd3340e501d3bcd0019ffdad2ea0505ca371f52c3d2ae6

查看是否在后臺正常運行

[root@node6 /data/dockerfile/web/tomcat/tomcat-app1]#docker ps

CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES

6b77dd85d8a7 172.20.7.50/baseimages/centos-tomcat-web:app1 "/apps/tomcat/bin/ru…" 6 seconds ago Up 5 seconds 0.0.0.0:8801->8080/tcp tom1

用物理機的瀏覽器測試

Docker容器-構建Tomcat業務鏡像

制作第二個就非常簡單了只需要在第一個上面改下名稱即可

先拷貝tomcat-app1下所有文件到tomcat-app2下即可

[root@node6 /data/dockerfile/web/tomcat/tomcat-app1]# cd ..

[root@node6 /data/dockerfile/web/tomcat]#cp -rf tomcat-app1/* tomcat-app2/

修改index.html標識為tomcat testapp2即可

[root@node6 /data/dockerfile/web/tomcat/tomcat-app2]#vim index.html

tomcat testapp2

修改docker build腳本centos-tomcat-web:app1改成centos-tomcat-web:app2即可，表示這是app2的鏡像

[root@node6 /data/dockerfile/web/tomcat/tomcat-app2]#vim build-command.sh

#!/bin/bash

# Dockerfile build shell

docker build -t 172.20.7.50/baseimages/centos-tomcat-web:app2 .

查看所有文件，上述除了build-command.sh、index.html需要修改其它不用動保持原樣

[root@node6 /data/dockerfile/web/tomcat/tomcat-app2]#ll

total 24

-rw-r–r– 1 root root 77 Nov 23 20:56 build-command.sh

-rw-r–r– 1 root root 398 Nov 23 20:15 Dockerfile

-rw-r–r– 1 root root 25 Nov 23 20:15 index.html

-rwxr-xr-x 1 root root 205 Nov 23 20:15 run_tomcat.sh

-rw——- 1 root root 7524 Nov 23 20:15 server.xml

開始制作第二個鏡像文件

[root@node6 /data/dockerfile/web/tomcat/tomcat-app2]#bash build-command.sh

Sending build context to Docker daemon 13.31kB

Step 1/9 : FROM 172.20.7.50/baseimages/centos-tomcat:8.5.33

—> 872c70dd2181

Step 2/9 : LABEL maintainer "mr.luo "

—> Using cache

—> e97895b822f7

Step 3/9 : RUN mkdir -p /data/tomcat/webapps/myapp && useradd tomcat

—> Using cache

—> 72bb5e03ae16

Step 4/9 : ADD index.html /data/tomcat/webapps/myapp

—> 5fb4cdb0e0ca

Step 5/9 : ADD run_tomcat.sh /apps/tomcat/bin/run_tomcat.sh

—> ca7037e43dd6

Step 6/9 : COPY server.xml /apps/tomcat/conf/server.xml

—> 944ac27defb1

Step 7/9 : RUN chown -R tomcat.tomcat /apps /data/tomcat/webapps

—> Running in ec169b000f74

Removing intermediate container ec169b000f74

—> 168b359f2e83

Step 8/9 : EXPOSE 8080

—> Running in 86726c38a44a

Removing intermediate container 86726c38a44a

—> d4f8cf67c70c

Step 9/9 : CMD ["/apps/tomcat/bin/run_tomcat.sh"]

—> Running in b323b8b073ca

Removing intermediate container b323b8b073ca

—> 612035ab8d3e

Successfully built 612035ab8d3e

Successfully tagged 172.20.7.50/baseimages/centos-tomcat-web:app2

查看所有鏡像文件

[root@node6 /data/dockerfile/web/tomcat/tomcat-app2]#docker images

REPOSITORY TAG IMAGE ID CREATED SIZE

172.20.7.50/baseimages/centos-tomcat-web app2 612035ab8d3e 10 seconds ago 787MB

172.20.7.50/baseimages/centos-tomcat-web app1 3714c600c51e 37 minutes ago 787MB

172.20.7.50/baseimages/centos-tomcat 8.5.35 872c70dd2181 2 hours ago 773MB

172.20.7.50/baseimages/centos7.5-jdk 8.191 19e9d5aa96b6 2 hours ago 759MB

172.20.7.50/baseimages/centos-base 7.5.1804 1f6c2c9e089e 2 hours ago 363MB

centos 7.5.1804 76d6bc25b8a5 6 weeks ago 200MB

啟動容器、并查看當前運行的容器列表

[root@node6 /data/dockerfile/web/tomcat/tomcat-app2]#docker run –name tom2 -d -p 8802:8080 172.20.7.50/baseimages/centos-toat-web:app2

e9f08fce2923fc9dd49edf12472d2ef98994126e920168da80c8694ef4a8f0bc

[root@node6 /data/dockerfile/web/tomcat/tomcat-app2]#docker ps

CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES

e9f08fce2923 172.20.7.50/baseimages/centos-tomcat-web:app2 "/apps/tomcat/bin/ru…" 6 seconds ago Up 6 seconds 0.0.0.0:8802->8080/tcp tom2

6b77dd85d8a7 172.20.7.50/baseimages/centos-tomcat-web:app1 "/apps/tomcat/bin/ru…" 14 minutes ago Up 14 minutes 0.0.0.0:8801->8080/tcp tom1

用物理機的瀏覽器打開訪問tom2是否正常工作

Docker容器-構建Tomcat業務鏡像