5.2 KiB
5.2 KiB
#Docker
Docker usage
Basics
Install Docker, by following the instructions relevant to your OS / distribution, and start the service.
Search an image on DockerHub
$ docker search debian
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
ubuntu Ubuntu is a Debian-based Linux operating s... 2065 [OK][](.html)
debian Debian is a Linux distribution that's comp... 603 [OK][](.html)
google/debian 47 [OK][](.html)
Show available tags for a repository
$ curl https://index.docker.io/v1/repositories/debian/tags | python -m json.tool
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1283 0 1283 0 0 433 0 --:--:-- 0:00:02 --:--:-- 433
Sample output:
[[](.html)
{
"layer": "85a02782",
"name": "stretch"
},
{
"layer": "59abecbc",
"name": "testing"
},
{
"layer": "bf0fd686",
"name": "unstable"
},
{
"layer": "60c52dbe",
"name": "wheezy"
},
{
"layer": "c5b806fe",
"name": "wheezy-backports"
}
]
Pull an image from DockerHub
$ docker pull repository[:tag][](.html)
$ docker pull debian:wheezy
wheezy: Pulling from debian
4c8cbfd2973e: Pull complete
60c52dbe9d91: Pull complete
Digest: sha256:c584131da2ac1948aa3e66468a4424b6aea2f33acba7cec0b631bdb56254c4fe
Status: Downloaded newer image for debian:wheezy
Get and run a Shaarli image
DockerHub repository
The images can be found in the shaarli/shaarli
repository.
Available image tags
latest: master branch (tarball release)stable: stable branch (tarball release)dev: master branch (Git clone)
All images rely on:
Download from DockerHub
$ docker pull shaarli/shaarli
latest: Pulling from shaarli/shaarli
32716d9fcddb: Pull complete
84899d045435: Pull complete
4b6ad7444763: Pull complete
e0345ef7a3e0: Pull complete
5c1dd344094f: Pull complete
6422305a200b: Pull complete
7d63f861dbef: Pull complete
3eb97210645c: Pull complete
869319d746ff: Already exists
869319d746ff: Pulling fs layer
902b87aaaec9: Already exists
Digest: sha256:f836b4627b958b3f83f59c332f22f02fcd495ace3056f2be2c4912bd8704cc98
Status: Downloaded newer image for shaarli/shaarli:latest
Create and start a new container from the image
# map the host's :8000 port to the container's :80 port
$ docker create -p 8000:80 shaarli/shaarli
d40b7af693d678958adedfb88f87d6ea0237186c23de5c4102a55a8fcb499101
# launch the container in the background
$ docker start d40b7af693d678958adedfb88f87d6ea0237186c23de5c4102a55a8fcb499101
d40b7af693d678958adedfb88f87d6ea0237186c23de5c4102a55a8fcb499101
# list active containers
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
d40b7af693d6 shaarli/shaarli /usr/bin/supervisor 15 seconds ago Up 4 seconds 0.0.0.0:8000->80/tcp backstabbing_galileo
Stop and destroy a container
$ docker stop backstabbing_galileo # those docker guys are really rude to physicists!
backstabbing_galileo
# check the container is stopped
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
# list ALL containers
$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
d40b7af693d6 shaarli/shaarli /usr/bin/supervisor 5 minutes ago Exited (0) 48 seconds ago backstabbing_galileo
# destroy the container
$ docker rm backstabbing_galileo # let's put an end to these barbarian practices
backstabbing_galileo
$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES