Docker commit
使用镜像启动容器，在该容器基础上修改另存为另一个镜像
docker ps -a
docker run -it centos
cd /etc/yum.repos.d/
ls
rm -rf *
vi local.repo
yum install net-tools psmisc lftp iproute vim
exit
docker ps -a
把容器变成镜像（封装）
docker ps -a
docker commit 镜像的id 容器的名称 myos
docker ps -a
docker rm 07
docker ps -a
docker images
docker history myos
docker images
docker history myos
系统－－》镜像－－》应用
docker run -it myos //启动
ifconfig
yum repolist
cd /etc/yum.repos.d
cat local.repo
[local_repo]
name=Centos
baseurl=ftp://192.168.6.254/centos7
gpgcheck=0
enabled=1
[root@docker01 ~]# docker commit a15ce14bca53 myos
sha256:2e1ae83e79c6b0b7409f1101847d26f8447c7c695a2a2e65f40c6a8770816d9f
[root@docker01 ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a15ce14bca53 centos "/bin/bash" 6 minutes ago Exited (0) About a minute ago stoic_yonath
d30761420ebe nginx "nginx -g 'daemon off" 14 hours ago Exited (1) Less than a second ago 80/tcp, 443/tcp jovial_mcnulty
[root@docker01 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
myos latest 2e1ae83e79c6 28 seconds ago 318.1 MB
mkdir oo
cd oo
vim Dockerfile
docker build -t testos .
Dockerfile语法
FROM：基础镜像
ADD：复件文件到镜像
RUN: 制作镜像时执行的命令
[root@docker01 oo]# vim Dockerfile
[root@docker01 oo]# docker build -t testos .
[root@docker01 oo]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
testos latest 6a4ec2724e8a 21 seconds ago 318.1 MB
<none> <none> e16a40f0e7a1 5 minutes ago
[root@docker01 ~]# docker run -it testos
[root@02ea4530d11d /]# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
[root@docker01 ~]# ls
anaconda-ks.cfg docker_images ifcfg-eth0 RPM-GPG-KEY-CentOS-7
busybox.tar docker_images.zip oo
[root@docker01 ~]# cd oo
[root@docker01 oo]# ls
Dockerfile local.repo
[root@docker01 oo]# cat Dockerfile
FROM centos:latest
RUN rm -rf /etc/yum.repos.d/*
ADD local.repo /etc/yum.repos.d/local.repo
RUN yum -y install net-tools psmisc lftp iproute vim
[root@docker01 oo]# cat local.repo
[local_docker]
name=CentOS docker
baseurl="ftp://192.168.6.254/centos7"
enabled=1
gpgcheck=0
docker run -d nginx
docker exec -it id /bin/bash
nginx -h
-T test cnfiguration,dump it and exit
root /usr/share/nginx/html
echo hello > index.html
curl http://172.17.0.2
docker exec -it fa /bin/bash
dpkg -l | grep ngix
docker rm 容器
docker rmi 镜像
docker build -t imagename Dockerfile //运行脚本
docker build -t testos .
docker run -it myos
yum -y install httpd
httpd -h
httpd -t
vim /etc/httpd/conf/httpd.conf
servername localhost
systemctl start httpd
ps -el
cat /usr/lib/systemd/system/
ExecStart=/usr/sbin/httpd/ $OPTIONS
echo $OPTIONS
/usr/sbin/httpd/ $OPTIONS
ctrl +pq
docker inspect
curl -I http://
docker exec -it 08 /bin/bash
rpm -ql httpd
cd /var/www/html
ls
vim index.html
<pre>
hello nsd1803
exit
curl -i http://
exit
mkdir db
cd db
vim Dokerfile
FROM myos
RUN yum -y install httpd
ADD httpd.conf /etc/httpd/conf/httpd.conf
WORKDIR /var/www/html
RUN echo “hello nsd1803” > index.html
EXPOSE 80
MAINTAINER lixin
ENVEnvironmentFile=/etc/sysconfig/httpd
CMD [“/usr/sbin/httpd”,”-DFOREGROUND”]
docker build -t myos:httpd .
docker history e721a5db2e7f
docker images
docker ps -a
docker stop 08
docker rm 08
docker run -d myos:httpd
docker ps
docker inspect id
curl -i http://172.17.0.2
scp /etc/httpd/conf/httpd.conf 172.17.0.1:./
yum -y scp
docker run -it myos
docker exec -it 4d902450f8e0 /bin/bash