| 知乎专栏 |
Docker 镜像地址 https://registry.hub.docker.com/
$ sudo docker search centos |more NAME DESCRIPTION STARS OFFICIAL AUTOMATED centos The official build of CentOS. 542 [OK] tianon/centos CentOS 5 and 6, created using rinse instea... 28 ansible/centos7-ansible Ansible on Centos7 13 [OK] saltstack/centos-6-minimal 7 [OK] blalor/centos Bare-bones base CentOS 6.5 image 7 [OK] steeef/graphite-centos CentOS 6.x with Graphite and Carbon via ng... 6 [OK] ariya/centos6-teamcity-server TeamCity Server 8.1 on CentOS 6 6 [OK] tutum/centos Centos image with SSH access. For the root... 5 [OK] tutum/centos-6.4 DEPRECATED. Use tutum/centos:6.4 instead. ... 5 [OK]
可以使用 docker pull 命令来从官网仓库获取所需要的镜像。
$ sudo docker pull ubuntu:14.04
等同于
$ sudo docker pull registry.hub.docker.com/ubuntu:14.04
获得所有版本镜像
$ sudo docker pull ubuntu $ sudo docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE ubuntu utopic 277eb4304907 3 days ago 215.6 MB ubuntu 14.10 277eb4304907 3 days ago 215.6 MB ubuntu 14.04 5506de2b643b 3 days ago 197.8 MB ubuntu trusty 5506de2b643b 3 days ago 197.8 MB ubuntu latest 5506de2b643b 3 days ago 197.8 MB ubuntu 14.04.1 5506de2b643b 3 days ago 197.8 MB ubuntu precise 0b310e6bf058 3 days ago 116.1 MB ubuntu 12.04.5 0b310e6bf058 3 days ago 116.1 MB ubuntu 12.04 0b310e6bf058 3 days ago 116.1 MB ubuntu 12.10 c5881f11ded9 4 months ago 172.1 MB ubuntu quantal c5881f11ded9 4 months ago 172.1 MB ubuntu 13.04 463ff6be4238 4 months ago 169.4 MB ubuntu raring 463ff6be4238 4 months ago 169.4 MB ubuntu 13.10 195eb90b5349 4 months ago 184.6 MB ubuntu saucy 195eb90b5349 4 months ago 184.6 MB ubuntu 10.04 3db9c44f4520 6 months ago 183 MB ubuntu lucid 3db9c44f4520 6 months ago 183 MB
从其他服务器获得镜像
$ sudo docker pull dl.dockerpool.com:5000/ubuntu:12.04
完成后，即可随时使用该镜像了，例如创建一个容器，让其中运行 bash 应用。
$ sudo docker run -t -i ubuntu:14.10 /bin/bash
$ sudo docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE ubuntu 14.10 277eb4304907 3 days ago 215.6 MB ubuntu latest 5506de2b643b 3 days ago 197.8 MB
版本标签
docker tag ubuntu:15.10 runoob/ubuntu:v3
latest 标签
docker tag netkiller/config:10.10 netkiller/config
在不同仓库间打标签
iMac:registry neo$ docker tag 127.0.0.1:5000/netkiller/config:latest 192.168.64.2:30050/netkiller/config:latest
保存镜像
$sudo docker save -o ubuntu_14.10.tar ubuntu:14.10
载入镜像
$ sudo docker load --input ubuntu_14.10.tar 或 $ sudo docker load < ubuntu_14.10.tar
$ sudo docker rmi ubuntu:12.04 Untagged: ubuntu:12.04
强制删除所有镜像
docker rmi -f $(docker images -q)
删除 none 标签镜像
docker images | grep none | awk '{ print $3; }' | xargs docker rmi
镜像历史纪录
# docker history centos:tomcat IMAGE CREATED CREATED BY SIZE COMMENT 2faf9a2d2bdc 22 hours ago /bin/sh -c #(nop) CMD ["catalina.sh" "run"] 0 B 8e12c1e8fd89 22 hours ago /bin/sh -c #(nop) EXPOSE 8080/tcp 0 B 35158d8231c5 22 hours ago /bin/sh -c #(nop) VOLUME [/srv/tomcat/temp] 0 B 4302c5c13241 22 hours ago /bin/sh -c #(nop) VOLUME [/srv/tomcat/work] 0 B 53537696aa19 22 hours ago /bin/sh -c #(nop) ADD file:ac42f23f37092b9... 298 B be04ba27a9ae 23 hours ago /bin/sh -c set -x && wget -O tomcat.tar.... 8.75 MB 847be662a35f 5 days ago /bin/sh -c #(nop) ENV TOMCAT_ASC_URL=http... 0 B ac6550346558 5 days ago /bin/sh -c #(nop) ENV TOMCAT_TGZ_URL=http... 0 B 50c12be7ca48 5 days ago /bin/sh -c #(nop) ENV TOMCAT_VERSION=8.5.15 0 B 89c44758e4ae 5 days ago /bin/sh -c #(nop) ENV TOMCAT_MAJOR=8 0 B 560ad98c1b23 5 days ago /bin/sh -c yum install -y java-1.8.0-openj... 236 MB befeedbb7dc7 5 days ago /bin/sh -c #(nop) WORKDIR /srv/tomcat 0 B c85cf394faf8 5 days ago /bin/sh -c mkdir -p "$CATALINA_HOME" 0 B debf78012b2c 5 days ago /bin/sh -c #(nop) ENV PATH=/srv/tomcat/bi... 0 B ccc27f4f3bcf 5 days ago /bin/sh -c #(nop) ENV CATALINA_HOME=/srv/... 0 B 8f351964d568 6 days ago /bin/sh -c #(nop) MAINTAINER Netkiller <n... 0 B 3bee3060bfc8 9 days ago /bin/sh -c #(nop) CMD ["/bin/bash"] 0 B <missing> 9 days ago /bin/sh -c #(nop) LABEL name=CentOS Base ... 0 B <missing> 9 days ago /bin/sh -c #(nop) ADD file:d22a9c627d1d1f3... 193 MB
docker history docker.io/mysql:5.7 docker history --no-trunc docker.io/mysql:5.7
neo@MacBook-Pro-Neo ~ % docker history docker.elastic.co/kibana/kibana:7.9.2 IMAGE CREATED CREATED BY SIZE COMMENT ba296c26886a 4 weeks ago /bin/sh -c #(nop) CMD ["/usr/local/bin/kiba… 0B <missing> 4 weeks ago /bin/sh -c #(nop) ENTRYPOINT ["/usr/local/b… 0B <missing> 4 weeks ago /bin/sh -c #(nop) LABEL org.label-schema.sc… 0B <missing> 4 weeks ago /bin/sh -c #(nop) USER kibana 0B <missing> 4 weeks ago /bin/sh -c groupadd --gid 1000 kibana && use… 360kB <missing> 4 weeks ago /bin/sh -c find / -xdev -perm -4000 -exec ch… 484kB <missing> 4 weeks ago /bin/sh -c chmod g+ws /usr/share/kibana && f… 0B <missing> 4 weeks ago /bin/sh -c #(nop) COPY --chown=1000:0file:49… 9.69kB <missing> 4 weeks ago /bin/sh -c #(nop) COPY --chown=1000:0file:ea… 234B <missing> 4 weeks ago /bin/sh -c #(nop) ENV PATH=/usr/share/kiban… 0B <missing> 4 weeks ago /bin/sh -c #(nop) ENV ELASTIC_CONTAINER=true 0B <missing> 4 weeks ago /bin/sh -c ln -s /usr/share/kibana /opt/kiba… 17B <missing> 4 weeks ago /bin/sh -c #(nop) WORKDIR /usr/share/kibana 0B <missing> 4 weeks ago /bin/sh -c #(nop) COPY --chown=1000:0dir:e8c… 941MB <missing> 4 weeks ago /bin/sh -c chmod +x /usr/local/bin/dumb-init 54.7kB <missing> 4 weeks ago /bin/sh -c echo "37f2c1f0372a45554f1b89924fb… 0B <missing> 4 weeks ago /bin/sh -c curl -L -o /usr/local/bin/dumb-in… 75.2kB <missing> 4 weeks ago /bin/sh -c yum update -y && yum install -y f… 31.1MB <missing> 4 weeks ago /bin/sh -c #(nop) EXPOSE 5601 0B <missing> 2 months ago /bin/sh -c #(nop) CMD ["/bin/bash"] 0B <missing> 2 months ago /bin/sh -c #(nop) LABEL org.label-schema.sc… 0B <missing> 2 months ago /bin/sh -c #(nop) ADD file:61908381d3142ffba… 203MB
[root@netkiller ~]# docker image inspect redis:latest | grep -i version
"GOSU_VERSION=1.14",
"REDIS_VERSION=7.0.4",
"DockerVersion": "20.10.12",
"GOSU_VERSION=1.14",
"REDIS_VERSION=7.0.4",