1、優先考慮官方資源（國外下載）；
2、藉助第三方資源（國內下載）；
[root@docker ~]# docker search centos
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
centos The official build of CentOS. 6125 [OK]
ansible/centos7-ansible Ansible on Centos7 132 [OK]
consol/centos-xfce-vnc Centos container with 「headless」 VNC session… 119 [OK]
jdeathe/centos-ssh OpenSSH / Supervisor / EPEL/IUS/SCL Repos - … 115 [OK]
centos/systemd systemd enabled base container. 86 [OK]
centos/mysql-57-centos7 MySQL 5.7 SQL database server 80
imagine10255/centos6-lnmp-php56 centos6-lnmp-php56 58 [OK]
tutum/centos Simple CentOS docker image with SSH access 47
centos/postgresql-96-centos7 PostgreSQL is an advanced Object-Relational … 46
centos/httpd-24-centos7 Platform for running Apache httpd 2.4 or bui… 36
kinogmt/centos-ssh CentOS with SSH 29 [OK]
pivotaldata/centos-gpdb-dev CentOS image for GPDB development. Tag names… 12
drecom/centos-ruby centos ruby 6 [OK]
centos/tools Docker image that has systems administration… 6 [OK]
pivotaldata/centos Base centos, freshened up a little with a Do… 4
pivotaldata/centos-gcc-toolchain CentOS with a toolchain, but unaffiliated wi… 3
darksheer/centos Base Centos Image – Updated hourly 3 [OK]
mamohr/centos-java Oracle Java 8 Docker image based on Centos 7 3 [OK]
pivotaldata/centos-mingw Using the mingw toolchain to cross-compile t… 3
indigo/centos-maven Vanilla CentOS 7 with Oracle Java Developmen… 1 [OK]
mcnaughton/centos-base centos base image 1 [OK]
blacklabelops/centos CentOS Base Image! Built and Updates Daily! 1 [OK]
pivotaldata/centos6.8-dev CentosOS 6.8 image for GPDB development 0
pivotaldata/centos7-dev CentosOS 7 image for GPDB development 0
smartentry/centos centos with smartentry 0 [OK]
阿裡雲源
yum-config-manager
–add-repo
http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
清華源
yum-config-manager
–add-repo
https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/centos/docker-ce.repo
預設下載最新版本
[root@docker ~]# docker image pull centos:7.5.1804
[root@docker ~]# docker pull nginx
[root@docker ~]# docker image ls
REPOSITORY TAG IMAGE ID CREATED SIZE
nginx latest 08393e824c32 6 days ago 132MB
centos 7.5.1804 cf49811e3cdb 17 months ago 200MB
[root@docker ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
nginx latest 08393e824c32 6 days ago 132MB
centos 7.5.1804 cf49811e3cdb 17 months ago 200MB
[root@docker ~]# docker image rm 08393e824c32
Untagged: nginx:latest
Untagged: nginx@sha256:36b74457bccb56fbf8b05f79c85569501b721d4db813b684391d63e02287c0b2
Deleted: sha256:08393e824c32d456ff69aec72c64d1ab63fecdad060ab0e8d3d42640fc3d64c5
Deleted: sha256:16ea6e7b0ecc56682daf0e01d89ffe04aeb702f67e572e94e574b1aa63d2e3d3
Deleted: sha256:d1c30fbca15bed39f9d6a613d05885ab2de964ed39c8ad3a7091c94aad935f1c
Deleted: sha256:e860d6c3bb27d4d057f6c5412b92afa0ae15664f6914eb460784e755c1a651e5
Deleted: sha256:0e6a092cd837c31fb9b85896c5849a2a02ba89131a531fa6ca8811d35bcf25ca
Deleted: sha256:d0f104dc0a1f9c744b65b23b3fd4d4d3236b4656e67f776fe13f8ad8423b955c
[root@docker ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
centos 7.5.1804 cf49811e3cdb 17 months ago 200MB
[root@docker ~]# docker image save centos:7.5.1804 > docker-centos7.4.tar.gz
[root@docker ~]# ls
anaconda-ks.cfg docker-centos7.4.tar.gz
[root@docker ~]# docker image load -i docker-centos7.4.tar.gz
Loaded image: centos:7.5.1804
[root@docker ~]# docker image inspect 08393e824c32
[
{
「Id」: 「sha256:08393e824c32d456ff69aec72c64d1ab63fecdad060ab0e8d3d42640fc3d64c5」,
「RepoTags」: [
「nginx:latest」
],
「RepoDigests」: [
「nginx@sha256:36b74457bccb56fbf8b05f79c85569501b721d4db813b684391d63e02287c0b2」
],
「Parent」: 「」,
「Comment」: 「」,
「Created」: 「2020-08-05T00:27:17.571815336Z」,
「Container」: 「cf6b584de5e609ff466aa82076cb5444882c572e07ad9d29293eb4f64f6a5aa6」,
「ContainerConfig」: {
「Hostname」: 「cf6b584de5e6」,
「Domainname」: 「」,
「User」: 「」,
「AttachStdin」: false,
「AttachStdout」: false,
「AttachStderr」: false,
「ExposedPorts」: {
「80/tcp」: {}
},
「Tty」: false,
「OpenStdin」: false,
「StdinOnce」: false,
「Env」: [
「PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin」,
「NGINX_VERSION=1.19.1」,
「NJS_VERSION=0.4.2」,
「PKG_RELEASE=1~buster」
],
「Cmd」: [
「/bin/sh」,
「-c」,
"#(nop) ",
「CMD [「nginx」 「-g」 「daemon off;」]」
],
「ArgsEscaped」: true,
「Image」: 「sha256:3a727f8293e2c036385ab385b0462adcdfd82edc85c27b7972812c6fa00dc9f9」,
「Volumes」: null,
「WorkingDir」: 「」,
「Entrypoint」: [
「/docker-entrypoint.sh」
],
「OnBuild」: null,
「Labels」: {
「maintainer」: 「NGINX Docker Maintainers [email protected]」
},
「StopSignal」: 「SIGTERM」
},
「DockerVersion」: 「18.09.7」,
「Author」: 「」,
「Config」: {
「Hostname」: 「」,
「Domainname」: 「」,
「User」: 「」,
「AttachStdin」: false,
「AttachStdout」: false,
「AttachStderr」: false,
「ExposedPorts」: {
「80/tcp」: {}
},
「Tty」: false,
「OpenStdin」: false,
「StdinOnce」: false,
「Env」: [
「PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin」,
「NGINX_VERSION=1.19.1」,
「NJS_VERSION=0.4.2」,
「PKG_RELEASE=1~buster」
],
「Cmd」: [
「nginx」,
「-g」,
「daemon off;」
],
「ArgsEscaped」: true,
「Image」: 「sha256:3a727f8293e2c036385ab385b0462adcdfd82edc85c27b7972812c6fa00dc9f9」,
「Volumes」: null,
「WorkingDir」: 「」,
「Entrypoint」: [
「/docker-entrypoint.sh」
],
「OnBuild」: null,
「Labels」: {
「maintainer」: 「NGINX Docker Maintainers [email protected]」
},
「StopSignal」: 「SIGTERM」
},
「Architecture」: 「amd64」,
「Os」: 「linux」,
「Size」: 132491506,
「VirtualSize」: 132491506,
「GraphDriver」: {
「Data」: {
「LowerDir」: 「/var/lib/docker/overlay2/713f083b4ccf0c88c2bc08d8e8a33746751de26338ed365f080e67a697d8541c/diff:/var/lib/docker/overlay2/b4a0db5c4582a17c2ff4529112246b2a3e07cec70091c441ecb2a3e6c1c7efe7/diff:/var/lib/docker/overlay2/78ae1833346304c1321a7b53166471022906b33074e18d267a0a5dc4263d9ec7/diff:/var/lib/docker/overlay2/ec0b5b286cdbae00d47aaec74f3ef9143aa36fbe401a4ab371b8ee62068b7162/diff」,
「MergedDir」: 「/var/lib/docker/overlay2/5dbc4c027c8dbd8ef61306857179a7632ab4abae97eaa43b67780de8d1089d9d/merged」,
「UpperDir」: 「/var/lib/docker/overlay2/5dbc4c027c8dbd8ef61306857179a7632ab4abae97eaa43b67780de8d1089d9d/diff」,
「WorkDir」: 「/var/lib/docker/overlay2/5dbc4c027c8dbd8ef61306857179a7632ab4abae97eaa43b67780de8d1089d9d/work」
},
「Name」: 「overlay2」
},
「RootFS」: {
「Type」: 「layers」,
「Layers」: [
「sha256:d0f104dc0a1f9c744b65b23b3fd4d4d3236b4656e67f776fe13f8ad8423b955c」,
「sha256:ff73b8119c50a75f3af107109381640d4c14e9e29ff0b53a981bbd8c9414f79b」,
「sha256:ed39597d15568ed2e5bb45f81c6bfaaa426cd297f0e2aa04f6006ad87f449488」,
「sha256:6d196faff4ee7b431ce803a95faf3754164d42bc9350e1496644c8755a65422a」,
「sha256:ac078d8f08c6b18167798771c612ec79e9b69f281678fd9148e9b705e66b9635」
]
},
「Metadata」: {
「LastTagTime」: 「0001-01-01T00:00:00Z」
}
}
]