目录
P058【58_DockerFile构建过程解析】06:10
P060【60_centos之dockerfile需求说明】05:26
P061【61_centos之dockerfile案例演示】11:03
2.高级篇（大厂进阶）
2.DockerFile解析
P057【57_Dockerfile简介】07:48
P058【58_DockerFile构建过程解析】06:10
P059【59_Dockerfile保留字简介】24:40
#
# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
#
# PLEASE DO NOT EDIT IT DIRECTLY.
#
FROM openjdk:21-jdk-bookworm
ENV CATALINA_HOME /usr/local/tomcat
ENV PATH $CATALINA_HOME/bin:$PATH
RUN mkdir -p "$CATALINA_HOME"
WORKDIR $CATALINA_HOME
# let "Tomcat Native" live somewhere isolated
ENV TOMCAT_NATIVE_LIBDIR $CATALINA_HOME/native-jni-lib
ENV LD_LIBRARY_PATH ${LD_LIBRARY_PATH:+$LD_LIBRARY_PATH:}$TOMCAT_NATIVE_LIBDIR
# see https://www.apache.org/dist/tomcat/tomcat-11/KEYS
# see also "versions.sh" (https://github.com/docker-library/tomcat/blob/master/versions.sh)
ENV GPG_KEYS A9C5DF4D22E99998D9875A5110C01C5A2F6059E7
Last login: Thu Jul 6 09:35:29 2023 from 192.168.10.1
[root@node001 ~]# docker run -it ubuntu /bin/bash
root@905b3a8333e6:/# pwd
/
root@905b3a8333e6:/# exit
exit
[root@node001 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
node001:5000/vluubuntu 1.2 a1ed6fe2f61e 6 days ago 118MB
vluubuntu 1.2 a1ed6fe2f61e 6 days ago 118MB
ubuntu 1.2 7295d0d3bc7e 6 days ago 118MB
registry.cn-hangzhou.aliyuncs.com/vlu001/myubuntu 1.3 079bf1275a8a 6 days ago 185MB
atguigu/ubuntu 3.7 7b40f602c178 7 days ago 72.8MB
hello-world <none> 9c7a54a9a43c 2 months ago 13.3kB
tomcat latest fb5657adc892 18 months ago 680MB
mysql 5.7 c20987f18b13 18 months ago 448MB
registry latest b8604a3fe854 20 months ago 26.2MB
ubuntu latest ba6acccedd29 20 months ago 72.8MB
hello-world latest feb5d9fea6a5 21 months ago 13.3kB
redis 6.0.8 16ecd2772934 2 years ago 104MB
billygoo/tomcat8-jdk8 latest 30ef4019761d 4 years ago 523MB
[root@node001 ~]# docker run -it -p 8080:8080 30ef4019761d bash
root@a73f91c73851:/usr/local/tomcat# pwd
/usr/local/tomcat
root@a73f91c73851:/usr/local/tomcat# exit
exit
[root@node001 ~]# docker run -it -p 8080:8080 30ef4019761d
Using CATALINA_BASE: /usr/local/tomcat
Using CATALINA_HOME: /usr/local/tomcat
Using CATALINA_TMPDIR: /usr/local/tomcat/temp
P060【60_centos之dockerfile需求说明】05:26
[root@node001 ~]# docker pull centos
Using default tag: latest
latest: Pulling from library/centos
a1d0c7532777: Pull complete
Digest: sha256:a27fd8080b517143cbbbab9dfb7c8571c40d67d534bbdee55bd6c473f432b177
Status: Downloaded newer image for centos:latest
docker.io/library/centos:latest
[root@node001 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
vluubuntu 1.2 a1ed6fe2f61e 6 days ago 118MB
node001:5000/vluubuntu 1.2 a1ed6fe2f61e 6 days ago 118MB
ubuntu 1.2 7295d0d3bc7e 6 days ago 118MB
registry.cn-hangzhou.aliyuncs.com/vlu001/myubuntu 1.3 079bf1275a8a 7 days ago 185MB
atguigu/ubuntu 3.7 7b40f602c178 7 days ago 72.8MB
hello-world <none> 9c7a54a9a43c 2 months ago 13.3kB
tomcat latest fb5657adc892 18 months ago 680MB
mysql 5.7 c20987f18b13 18 months ago 448MB
registry latest b8604a3fe854 20 months ago 26.2MB
ubuntu latest ba6acccedd29 20 months ago 72.8MB
hello-world latest feb5d9fea6a5 21 months ago 13.3kB
centos latest 5d0da3dc9764 21 months ago 231MB
redis 6.0.8 16ecd2772934 2 years ago 104MB
billygoo/tomcat8-jdk8 latest 30ef4019761d 4 years ago 523MB
[root@node001 ~]# docker run -it 5d0da3dc9764 /bin/bash
[root@365542d50727 /]# exit
exit
[root@node001 ~]# docker images centos
REPOSITORY TAG IMAGE ID CREATED SIZE
centos latest 5d0da3dc9764 21 months ago 231MB
[root@node001 ~]# P061【61_centos之dockerfile案例演示】11:03
FROM centos:7
MAINTAINER zzyy<zzyybs@126.com>
ENV MYPATH /usr/local
WORKDIR $MYPATH
#安装vim编辑器
RUN yum -y install vim
#安装ifconfig命令查看网络IP
RUN yum -y install net-tools
#安装java8及lib库
RUN yum -y install glibc.i686
RUN mkdir /usr/local/java
#ADD 是相对路径jar,把jdk-8u171-linux-x64.tar.gz添加到容器中,安装包必须要和Dockerfile文件在同一位置
ADD jdk-8u171-linux-x64.tar.gz /usr/local/java/
#配置java环境变量
ENV JAVA_HOME /usr/local/java/jdk1.8.0_171
ENV JRE_HOME $JAVA_HOME/jre
ENV CLASSPATH $JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib:$CLASSPATH
ENV PATH $JAVA_HOME/bin:$PATH
EXPOSE 80
CMD echo $MYPATH
CMD echo "success--------------ok"
CMD /bin/bash[root@node001 jdk]# docker build -t centosjava8:1.5 .
[+] Building 112.3s (12/12) FINISHED
=> [internal] load .dockerignore 0.0s
=> => transferring context: 2B 0.0s
=> [internal] load build definition from Dockerfile 0.0s
=> => transferring dockerfile: 782B 0.0s
=> [internal] load metadata for docker.io/library/centos:7 16.1s
=> [1/7] FROM docker.io/library/centos:7@sha256:9d4bcbbb213dfd745b58be38b13b996ebb5ac315fe75711bd618426a630e0987 25.5s
=> => resolve docker.io/library/centos:7@sha256:9d4bcbbb213dfd745b58be38b13b996ebb5ac315fe75711bd618426a630e0987 0.0s
=> => sha256:2d473b07cdd5f0912cd6f1a703352c82b512407db6b05b43f2553732b55df3bc 76.10MB / 76.10MB 7.9s
=> => sha256:9d4bcbbb213dfd745b58be38b13b996ebb5ac315fe75711bd618426a630e0987 1.20kB / 1.20kB 0.0s
=> => sha256:dead07b4d8ed7e29e98de0f4504d87e8880d4347859d839686a31da35a3b532f 529B / 529B 0.0s
=> => sha256:eeb6ee3f44bd0b5103bb561b4c16bcb82328cfe5809ab675bb17ab3a16c517c9 2.75kB / 2.75kB 0.0s
=> => extracting sha256:2d473b07cdd5f0912cd6f1a703352c82b512407db6b05b43f2553732b55df3bc 17.2s
=> [internal] load build context 3.3s
=> => transferring context: 190.93MB 3.3s
=> [2/7] WORKDIR /usr/local 0.0s
=> [3/7] RUN yum -y install vim 31.6s
=> [4/7] RUN yum -y install net-tools 6.2s
=> [5/7] RUN yum -y install glibc.i686 17.9s
=> [6/7] RUN mkdir /usr/local/java 0.5s
=> [7/7] ADD jdk-8u171-linux-x64.tar.gz /usr/local/java/ 11.1s
=> exporting to image 3.1s
=> => exporting layers 3.0s
=> => writing image sha256:0f64bc97e953a34834cea9da896940303d9de08d211e6fcb5ff3a6e05fdee6a6 0.0s
=> => naming to docker.io/library/centosjava8:1.5 0.0s
[root@node001 jdk]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
centosjava8 1.5 0f64bc97e953 4 minutes ago 1.27GB
vluubuntu 1.2 a1ed6fe2f61e 6 days ago 118MB
node001:5000/vluubuntu 1.2 a1ed6fe2f61e 6 days ago 118MB
ubuntu 1.2 7295d0d3bc7e 6 days ago 118MB
registry.cn-hangzhou.aliyuncs.com/vlu001/myubuntu 1.3 079bf1275a8a 7 days ago 185MB
atguigu/ubuntu 3.7 7b40f602c178 7 days ago 72.8MB
hello-world <none> 9c7a54a9a43c 2 months ago 13.3kB
tomcat latest fb5657adc892 18 months ago 680MB
mysql 5.7 c20987f18b13 18 months ago 448MB
registry latest b8604a3fe854 20 months ago 26.2MB
ubuntu latest ba6acccedd29 20 months ago 72.8MB
hello-world latest feb5d9fea6a5 21 months ago 13.3kB
centos latest 5d0da3dc9764 21 months ago 231MB
redis 6.0.8 16ecd2772934 2 years ago 104MB
billygoo/tomcat8-jdk8 latest 30ef4019761d 4 years ago 523MB
[root@node001 jdk]# docker run -it 0f64bc97e953 /bin/bash
[root@b985c5c7ac7b local]# pwd
/usr/local
[root@b985c5c7ac7b local]# vim a.txt
[root@b985c5c7ac7b local]# cat a.txt
aaaAAA
[root@b985c5c7ac7b local]# vim a.txt
[root@b985c5c7ac7b local]# cat a.txt
aaaAAA
111 centOS, vim + ifconfig + java8
[root@b985c5c7ac7b local]# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 172.17.0.2 netmask 255.255.0.0 broadcast 172.17.255.255
ether 02:42:ac:11:00:02 txqueuelen 0 (Ethernet)
RX packets 8 bytes 648 (648.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
loop txqueuelen 1000 (Local Loopback)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[root@b985c5c7ac7b local]# java -version
java version "1.8.0_171"
Java(TM) SE Runtime Environment (build 1.8.0_171-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.171-b11, mixed mode)
[root@b985c5c7ac7b local]# [root@node001 jdk]#
[root@node001 jdk]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
b985c5c7ac7b 0f64bc97e953 "/bin/bash" 2 minutes ago Up 2 minutes 80/tcp keen_heyrovsky
[root@node001 jdk]# 
