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docker commit [选项] 容器ID/名称 仓库名称:[标签]
-m:说明信息
-a:作者信息
-p:生成过程中停止容器的运行
[root@localhost ~]# docker pull centos //下载镜像
[root@localhost ~]# docker create -it centos /bin/bash //基于centos镜像创建容器
30d395e63fc32b9dcf96029869f40a8002990f689410cca2660af4056ed2614f
[root@localhost ~]# docker ps -a //查看容器信息
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
30d395e63fc3 centos "/bin/bash" 7 seconds ago Created inspiring_germain
[root@localhost ~]# docker commit -m "new" -a "daoke" 30d395e63fc3 daoke:centos //将容器里面运行的程序及运行环境打包生成新的镜像
sha256:66d76f9225b94ce6156db953bd16c384f74067f981d45bee99340f3a965506d3
[root@localhost ~]# docker images //查看镜像
REPOSITORY TAG IMAGE ID CREATED SIZE
daoke centos 66d76f9225b9 10 seconds ago 220MB
centos latest 0f3e07c0138f 3 months ago 220MB
[root@localhost ~]# mount.cifs //192.168.100.3/LNMP-C7 /mnt/ //将本地模板挂载到Linux上
Password for root@//192.168.100.3/LNMP-C7:
[root@localhost ~]# cd /mnt //切换目录到/mnt
[root@localhost docker]# ls
debian-7.0-x86-minimal.tar.gz
[root@localhost mnt]# cat debian-7.0-x86-minimal.tar.gz | docker import - daoke:new //基于本地模板创建一个镜像
sha256:487145d2411f0440c50fd93d0e8a9e27610d2de745a25d06955f21c80e65753a
[root@localhost mnt]# docker images //查看镜像
REPOSITORY TAG IMAGE ID CREATED SIZE
daoke new 487145d2411f 8 seconds ago 215MB
centos latest 0f3e07c0138f 3 months ago 220MB
[root@localhost ~]# mkdir apache //创建一个目录
[root@localhost ~]# cd apache/
[root@localhost apache]# vim Dockerfile //编写一个dockerfile文件
FROM centos //基于的基础镜像
MAINTAINER The porject //维护镜像的用户信息
RUN yum -y update //镜像操作指令安装Apache软件
RUN yum -y install httpd //安装Apache服务
EXPOSE 80 //开启80端口
ADD index.html /var/www/html/index.html //复制网址首页文件
ADD run.sh /run.sh //将执行脚本复制到镜像中
RUN chmod 755 /run.sh
CMD ["/run.sh"] //启动容器时执行脚本
[root@localhost apache]# vim run.sh //编辑run.sh脚本
#!/bin/bash
rm -rf /run/httpd/* //清除缓存
exec /usr/sbin/apachectl -D FOREGROUND //执行apache
[root@localhost apache]# echo "this is test web" > index.html //创建页面信息
[root@localhost apache]# ls
Dockerfile index.html run.sh
[root@localhost apache]# docker build -t httpd:centos . //执行创建镜像
[root@localhost apache]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
httpd centos b267aaf2c395 22 seconds ago 401MB
[root@localhost apache]# docker ps -a //此时没有容器生成
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
[root@localhost apache]# docker run -d -p 1234:80 httpd:centos //创建映射,创建容器
34c424efdab9e381116de697c4971200b1564b1e38644407cc58d5ba8923a0ea
[root@localhost apache]# docker ps -a //容器开启,1234是外部端口,80是内部端口
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
34c424efdab9 httpd:centos "/run.sh" 9 seconds ago Up 7 seconds 0.0.0.0:1234->80/tcp great_williamson
//需要注册docker账号
//将创建好的 httpd:centos 镜像。上传到刚申请的公共仓库中:
docker tag httpd:centos xu/httpd:centos
docker push xu/httpd:centos
[root@localhost ~]# docker pull registry //下载 registry镜像
[root@localhost ~]# vim /etc/docker/daemon.json
{
"insecure-registries": ["192.168.13.128:5000"], //指定仓库地址和端口号
"registry-mirrors": ["https://3a8s9zx5.mirror.aliyuncs.com"] //镜像加速
}
[root@localhost ~]# systemctl stop docker //停止docker,开启docker
[root@localhost ~]# systemctl start docker
[root@localhost ~]# docker create -it registry /bin/bash //创建registry镜像容器
209dadd90f5c555ba328fae5763a61ae5fe4489acc4bfb945a99bb2307a9f139
[root@localhost ~]# docker ps -a //查看容器
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
209dadd90f5c registry "/entrypoint.sh /bin…" 4 seconds ago Created admiring_dewdney
34c424efdab9 httpd:centos "/run.sh" 13 minutes ago Exited (137) 35 seconds ago great_williamson
[root@localhost ~]# docker start 209dadd90f5c //开启容器
209dadd90f5c
[root@localhost ~]# docker run -d -p 5000:5000 -v /data/registry:/tmp/registry registry //创建映射端口和数据卷,宿主局的/data自动挂载容器重点的/tmp
fd4185499dfa29f1a1133f59b706a5524572ae3f22140137214ab4c8212ea8a4
[root@localhost ~]# docker images //查看一下当前的镜像
REPOSITORY TAG IMAGE ID CREATED SIZE
httpd centos b267aaf2c395 17 minutes ago 401MB
centos latest 0f3e07c0138f 3 months ago 220MB
registry latest f32a97de94e1 10 months ago 25.8MB
[root@localhost ~]# docker tag httpd:centos 192.168.13.128:5000/httpd //修改标签
[root@localhost ~]# docker push 192.168.13.128:5000/httpd ##上传镜像
[root@localhost ~]# curl -XGET http://192.168.13.128:5000/v2/_catalog //获取私有仓库列表
{"repositories":["httpd"]}
[root@localhost ~]# docker pull 192.168.13.128:5000/httpd //通过私有仓库下载
[root@localhost ~]# docker run -d -P nginx //随机指定端口
[root@localhost ~]# docker ps -a //查看容器
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
bcd11c99804e nginx "nginx -g 'daemon of…" 13 seconds ago Up 13 seconds 0.0.0.0:32768->80/tcp
[root@localhost ~]# docker run -itd -P --name web1 centos /bin/bash //创建web1容器
87c58af3100fbc112bf344a421942dd53451c0c663b697a55a8d410868f314bf
[root@localhost ~]# docker run -itd -P --name web2 --link web1:web1 centos /bin/bash //创建web2连接web1容器
7a84075802b5689912c323196b5af398fb5912316efda014921c0e23d3e9cdd2
[root@localhost ~]# docker ps -a //查看容器信息
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
7a84075802b5 centos "/bin/bash" 6 seconds ago Up 5 seconds web2
87c58af3100f centos "/bin/bash" 42 seconds ago Up 41 seconds web1
[root@localhost ~]# docker exec -it 7a84075802b5 /bin/bash //进入web2容器
[root@7a84075802b5 /]# ping web1 //pingweb1看是否互联互通
PING web1 (172.17.0.5) 56(84) bytes of data.
64 bytes from web1 (172.17.0.5): icmp_seq=1 ttl=64 time=0.090 ms
64 bytes from web1 (172.17.0.5): icmp_seq=2 ttl=64 time=0.089 ms
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