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Docker Commands

#docker
  • Installing Docker on Mac OS X

https://docs.docker.com/installation/mac/

  • boot2docker start 
$ boot2docker start
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  • attach ( Attach to a running container ) 
$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES adead7a08f15 ubuntu:14.04 /bin/bash About an hour ago Up 27 minutes myubuntu $ docker attach myubuntu root@adead7a08f15:/#
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  • build ( Build an image from a Dockerfile ) 
$ vim Dockerfile FROM centos:centos6 MAINTAINER Dongri Jin RUN yum update -y && \ rpm --import http://nginx.org/keys/nginx_signing.key && \ yum install -y http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm && \ yum install -y nginx EXPOSE 80 ENTRYPOINT ["/usr/sbin/nginx", "-g", "daemon off;"]  $ docker build -t ngix .  $ docker images  $ docker run -d -p 80:80 nginx  $ VBoxManage controlvm "boot2docker-vm" natpf1 "nginx,tcp,127.0.0.1,8080,,80"  $ open http://localhost:8080
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  • commit ( Create a new image from a container's changes ) 
$ docker run -i -t -d nginx ea21748dddd379d8959373cd366b1eb10f4193a68c530c3539fe110b0531bd22 $ docker docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES ea21748dddd3 nginx:latest /usr/sbin/nginx -g ' About an hour ago Up 3 seconds 80/tcp tender_fermi $ docker commit ea21748dddd3 my-nginx 69f023fe647655f984afd0617dd1e65d8b9a2e5e551bac32af5e6436bfe3ac70 $ docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE my-nginx latest 69f023fe6476 About an hour ago 267.8 MB nginx latest 9bc094d3c806 About an hour ago 267.8 MB
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  • cp ( Copy files/folders from a container's filesystem to the host path ) 
$ docker run -d nginx 69e4211b565349631845e984a5914688a250671764c98c959236fb53d059a709 $ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 69e4211b5653 nginx:latest /usr/sbin/nginx -g ' About an hour ago Up 1 seconds 80/tcp distracted_curie $ docker cp 69e4211b5653:/usr/share/nginx/html/index.html ./  $ ls -l total 16 -rw-r--r-- 1 dongri staff 332 Nov 29 17:41 Dockerfile -rw-r--r-- 1 dongri staff 612 Sep 16 22:57 index.html
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  • diff ( Inspect changes on a container's filesystem ) 
$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 69e4211b5653 nginx:latest /usr/sbin/nginx -g ' About an hour ago Up 3 minutes 80/tcp distracted_curie $ docker diff 69e4211b5653 C /var C /var/cache C /var/cache/nginx A /var/cache/nginx/client_temp A /var/cache/nginx/fastcgi_temp A /var/cache/nginx/proxy_temp A /var/cache/nginx/scgi_temp A /var/cache/nginx/uwsgi_temp C /var/run A /var/run/nginx.pid
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  • events ( Get real time events from the server ) 
$ docker events [2014-11-29 17:09:17 +0900 JST] d9860be76a657a: (from my-nginx:latest) create [2014-11-29 17:09:17 +0900 JST] d9860be76a657a: (from my-nginx:latest) start [2014-11-29 17:09:17 +0900 JST] d9860be76a657a: (from my-nginx:latest) die [2014-11-29 17:09:42 +0900 JST] 94d8ff9c9b006b: (from nginx:latest) create [2014-11-29 17:09:42 +0900 JST] 94d8ff9c9b006b: (from nginx:latest) start [2014-11-29 17:10:19 +0900 JST] 94d8ff9c9b006b: (from nginx:latest) die
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  • export ( Stream the contents of a container as a tar archive) 
$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 69e4211b5653 nginx:latest /usr/sbin/nginx -g ' About an hour ago Up 9 minutes 80/tcp distracted_curie $ docker export 69e4211b5653 > nginx.tar
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  • history ( Show the history of an image ) 
$ docker history nginx IMAGE CREATED CREATED BY SIZE 9bc094d3c806 About an hour ago /bin/sh -c #(nop) ENTRYPOINT [/usr/sbin/nginx 0 B bc8b862f52f2 About an hour ago /bin/sh -c #(nop) EXPOSE map[80/tcp:{}] 0 B 6a7c1a5d6e92 About an hour ago /bin/sh -c yum update -y && rpm --import 52.02 MB 7becd8731a8d About an hour ago /bin/sh -c #(nop) MAINTAINER Dongri Jin 0 B 70441cac1ed5 3 weeks ago /bin/sh -c #(nop) ADD file:87e3d5074ec1720805 215.8 MB 5b12ef8fd570 8 weeks ago /bin/sh -c #(nop) MAINTAINER The CentOS Proje 0 B 511136ea3c5a 17 months ago 0 B $
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  • images ( List images ) 
$ docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE my-nginx latest 69f023fe6476 About an hour ago 267.8 MB nginx latest 9bc094d3c806 About an hour ago 267.8 MB centos centos6 70441cac1ed5 3 weeks ago 215.8 MB ubuntu 14.04 c4ff7513909d 3 months ago 225.4 MB ubuntu latest c4ff7513909d 3 months ago 225.4 MB
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  • import ( Create a new filesystem image from the contents of a tarball ) 
$ cat nginx.tar | docker import - nginx:import 254714ba37221092c47f22a886c7f7497ed65da53d42cf24a4f44e0054305af4  $ docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE nginx import 254714ba3722 About an hour ago 242.8 MB my-nginx latest 69f023fe6476 About an hour ago 267.8 MB nginx latest 9bc094d3c806 About an hour ago 267.8 MB
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  • info ( Display system-wide information ) 
$ docker info
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  • inspect ( Return low-level information on a container ) 
$ docker inspect 69e4211b5653
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  • kill ( Kill a running container ) 
$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 69e4211b5653 nginx:latest /usr/sbin/nginx -g ' About an hour ago Up 23 minutes 80/tcp distracted_curie $ docker kill 69e4211b5653 69e4211b5653 $ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
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  • load ( Load an image from a tar archive ) 
$ docker load < nginx.tar
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  • login ( Register or log in to the Docker registry server ) 
$ docker login Username: dongri Password: *** Email: ***@gmail.com Login Succeeded $ docker pull ubuntu
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  • logs ( Fetch the logs of a container ) 
$ docker logs 108233ba9a1d
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  • port ( Lookup the public-facing port that is NAT-ed to PRIVATE_PORT ) 
$ docker run -d -p 80:80 nginx 108233ba9a1df0aa199a8392d052f3c0cd8e7929bdeff6d5fa52ac47a75aa603 $ docker port 108233ba9a1d 80 0.0.0.0:80
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  • pause ( Pause all processes within a container ) 
$ docker pause 108233ba9a1d 108233ba9a1d $ open http://localhost:8080
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  • ps ( List containers ) 
$ docker ps  $ docker ps -a  $ docker ps -a -q
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  • pull ( Pull an image or a repository from a Docker registry server ) 
$ docker pull golang:1.4rc1
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  • push ( Push an image or a repository to a Docker registry server ) 
$ docker run -i -t -d golang 921dc8b1555af7507f8669883724047b4cc114be0681a07f86def $ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 16f79ec35b99 golang:latest /bin/bash About an hour ago Up 4 seconds focused_newton 108233ba9a1d nginx:latest /usr/sbin/nginx -g ' About an hour ago Up 15 minutes (Paused) 0.0.0.0:80->80/tcp nostalgic_almeida  $ docker commit 16f79ec35b99 dongri/golang da5a0042ad9ac478c38fc743c8f981f292a9aefd41ac54276a6617c319719ad1 $ docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE dongri/golang latest da5a0042ad9a About an hour ago 448 MB nginx import 254714ba3722 About an hour ago 242.8 MB my-nginx latest 69f023fe6476 2 hours ago 267.8 MB nginx latest 9bc094d3c806 2 hours ago 267.8 MB golang 1.4rc1 a9e27473d0f8 2 days ago 467.7 MB golang latest ebd3fd90ae2e 2 days ago 448 MB $ docker push dongri/golang The push refers to a repository [dongri/golang] (len: 1) Sending image list Pushing repository dongri/golang (1 tags) 511136ea3c5a: Image already pushed, skipping 36fd425d7d8a: Image already pushed, skipping aaabd2b41e22: Image already pushed, skipping cd9d7733886c: Image already pushed, skipp da5a0042ad9a: Image successfully pushed Pushing tag for rev [da5a0042ad9a] on {https://cdn-registry-1.docker.io/v1/repositories/dongri/golang/tags/latest}
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  • restart ( Restart a running container ) 
$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 16f79ec35b99 golang:latest /bin/bash About an hour ago Up 3 minutes focused_newton 108233ba9a1d nginx:latest /usr/sbin/nginx -g ' About an hour ago Up 18 minutes (Paused) 0.0.0.0:80->80/tcp nostalgic_almeida  $ docker restart 16f79ec35b99 16f79ec35b99
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  • rm ( Remove one or more containers ) 
$ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS 16f79ec35b99 golang:latest /bin/bash About an hour ago Up 55 seconds 714a086c9e4d golang:latest /bin/bash About an hour ago Exited (1) 4 minutes ago $ docker rm 714a086c9e4d 714a086c9e4d $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS 16f79ec35b99 golang:latest /bin/bash About an hour ago Up About a minute
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  • rmi ( Remove one or more images ) 
$ docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE dongri/golang latest da5a0042ad9a About an hour ago 448 MB nginx import 254714ba3722 About an hour ago 242.8 MB my-nginx latest 69f023fe6476 2 hours ago 267.8 MB $ docker rmi 69f023fe6476  $ docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE dongri/golang latest da5a0042ad9a About an hour ago 448 MB nginx import 254714ba3722 About an hour ago 242.8 MB
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  • run ( Run a command in a new container ) 
$ docker run -d nginx
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  • save ( Save an image to a tar archive ) 
$ docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE dongri/golang latest da5a0042ad9a About an hour ago 448 MB nginx import 254714ba3722 About an hour ago 242.8 MB $ docker save nginx > mynginx.tar
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  • search ( Search for an image on the Docker Hub ) 
$ docker search dongri NAME DESCRIPTION STARS OFFICIAL AUTOMATED dongri/coreos 2 dongri/node 1 dongri/nginx 0 dongri/redis 0 dongri/golang 0
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  • start ( Start a stopped container ) 
docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS 108233ba9a1d nginx:latest /usr/sbin/nginx -g ' About an hour ago Up 27 minutes (Paused) 0.0.0.0:80->80/tcp 269367b4bd87 nginx:latest /usr/sbin/nginx -g ' About an hour ago Exited (-1) 28 minutes ago $ docker start 269367b4bd87 269367b4bd87 $ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 108233ba9a1d nginx:latest /usr/sbin/nginx -g ' About an hour ago Up 27 minutes (Paused) 0.0.0.0:80->80/tcp nostalgic_almeida 269367b4bd87 nginx:latest /usr/sbin/nginx -g ' About an hour ago Up 2 seconds 80/tcp kickass_perlman
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  • stop ( Stop a running container ) 
$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 108233ba9a1d nginx:latest /usr/sbin/nginx -g ' About an hour ago Up 27 minutes (Paused) 0.0.0.0:80->80/tcp nostalgic_almeida 269367b4bd87 nginx:latest /usr/sbin/nginx -g ' About an hour ago Up 2 seconds 80/tcp kickass_perlman $ docker stop 269367b4bd87
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  • tag ( Tag an image into a repository ) 
$ docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE dongri/golang latest da5a0042ad9a About an hour ago 448 MB nginx import 254714ba3722 About an hour ago 242.8 MB $ docker tag 254714ba3722 nginx:export $ docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE dongri/golang latest da5a0042ad9a About an hour ago 448 MB nginx import 254714ba3722 About an hour ago 242.8 MB nginx export 254714ba3722 About an hour ago 242.8 MB
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  • top ( Lookup the running processes of a container ) 
$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 108233ba9a1d 9bc094d3c806 /usr/sbin/nginx -g ' About an hour ago Up 38 minutes (Paused) 0.0.0.0:80->80/tcp nostalgic_almeida  $ docker top 108233ba9a1d PID USER COMMAND 1658 root nginx: master process /usr/sbin/nginx -g daemon off; 1668 499 nginx: worker process
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  • unpause ( Unpause a paused container ) 
$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 108233ba9a1d 9bc094d3c806 /usr/sbin/nginx -g ' About an hour ago Up 38 minutes (Paused) 0.0.0.0:80->80/tcp nostalgic_almeida  $ docker unpause 108233ba9a1d 108233ba9a1d $ open http://localhost:8080
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  • version ( Show the Docker version information ) 
$ docker version Client version: 1.1.1 Client API version: 1.13 Go version (client): go1.2.1 Git commit (client): bd609d2 Server version: 1.1.2 Server API version: 1.13 Go version (server): go1.2.1 Git commit (server): d84a070
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  • wait ( Block until a container stops, then print its exit code ) 
$ docker wait 108233ba9a1d  $ docker stop 108233ba9a1d
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