docker hello-world

docker安裝

Redhat & Contos: 系統要求， 64-bit Os and version 3.10
Ubuntu : 系統要求， 64-bit Os and version 3.10

從docker遠程倉庫拉去鏡像到本地，name：拉去鏡像的名稱 ， :tag:指定版本
docker pull [options] name[:tag]

查看本機有哪些鏡像
docker images [options] [repository[:tag]]

docker for mac
    https://docs.docker.com/docker-for-mac/install/

 

獲取鏡像

xpMac:~ xupan$ docker pull hello-world
Using default tag: latest
latest: Pulling from library/hello-world
9bb5a5d4561a: Pull complete 
Digest: sha256:f5233545e43561214ca4891fd1157e1c3c563316ed8e237750d59bde73361e77
Status: Downloaded newer image for hello-world:latest

 

查看鏡像

xpMac:~ xupan$ docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
hello-world         latest              e38bc07ac18e        2 weeks ago         1.85kB

 

 

前臺運行

docker run [options] image[:tag][command][arg...]
docker run hello-world

xpMac:~ xupan$ docker run hello-world

Hello from Docker!
This message shows that your installation appears to be working correctly.

To generate this message, Docker took the following steps:
 1. The Docker client contacted the Docker daemon.
 2. The Docker daemon pulled the "hello-world" image from the Docker Hub.
    (amd64)
 3. The Docker daemon created a new container from that image which runs the
    executable that produces the output you are currently reading.
 4. The Docker daemon streamed that output to the Docker client, which sent it
    to your terminal.

To try something more ambitious, you can run an Ubuntu container with:
 $ docker run -it ubuntu bash

Share images, automate workflows, and more with a free Docker ID:
 https://hub.docker.com/

For more examples and ideas, visit:
 https://docs.docker.com/engine/userguide/

 

 

 

網易蜂巢鏡像中心 c.163.com/hub#/m/home

 

 

docker pull hub.c.163.com/library/nginx:latest

 

xpMac:~ xupan$ docker images

REPOSITORY                    TAG                 IMAGE ID            CREATED             SIZE

hello-world                   latest              e38bc07ac18e        2 weeks ago         1.85kB

hub.c.163.com/library/nginx   latest              46102226f2fd        12 months ago       109MB

 

xpMac:~ xupan$ docker run hub.c.163.com/library/nginx

 

xpMac:~ xupan$ docker ps

CONTAINER ID        IMAGE                         COMMAND                  CREATED             STATUS              PORTS               NAMES

e0b5e0d49b8e        hub.c.163.com/library/nginx   "nginx -g 'daemon of…"   4 seconds ago       Up 4 seconds        80/tcp              modest_minsky

 

守護進程的方式運行

docker run -d ------------
docker run -d hub.c.163.com/library/nginx
5f8fd320577294f0f52226385c30c427c3d6512156e73c91bfa7eb364881e274
返回容器ID

 

 

進入容器

 docker exec it 5f8fd3205772 bash

root@5f8fd3205772:/# which nginx

/usr/sbin/nginx