128 lines
2.1 KiB
Markdown
128 lines
2.1 KiB
Markdown
---
|
|
title: Docker CLI
|
|
category: Devops
|
|
layout: 2017/sheet
|
|
---
|
|
|
|
Manage images
|
|
-------------
|
|
|
|
### Managing images
|
|
|
|
Create an `image` from a Dockerfile:
|
|
{: .-setup}
|
|
|
|
```yml
|
|
docker build [options] .
|
|
-t "app/container_name" # name
|
|
```
|
|
|
|
Run a command in an `image`:
|
|
|
|
```yml
|
|
docker run [options] IMAGE
|
|
# see `docker create` for options
|
|
```
|
|
|
|
Manage containers
|
|
-----------------
|
|
|
|
### `docker create`
|
|
|
|
```yml
|
|
docker create [options] IMAGE
|
|
-a, --attach # attach stdout/err
|
|
-i, --interactive # attach stdin (interactive)
|
|
-t, --tty # pseudo-tty
|
|
--name NAME # name your image
|
|
-p, --publish 5000:5000 # port map
|
|
--expose 5432 # expose a port to linked containers
|
|
-P, --publish-all # publish all ports
|
|
--link container:alias # linking
|
|
-v, --volume `pwd`:/app # mount (absolute paths needed)
|
|
-e, --env NAME=hello # env vars
|
|
```
|
|
|
|
#### Example
|
|
|
|
```
|
|
$ docker create --name app_redis_1 \
|
|
--expose 6379 \
|
|
redis:3.0.2
|
|
```
|
|
|
|
Create a `container` from an `image`.
|
|
|
|
### `docker exec`
|
|
|
|
```yml
|
|
docker exec [options] CONTAINER COMMAND
|
|
-d, --detach # run in background
|
|
-i, --interactive # stdin
|
|
-t, --tty # interactive
|
|
```
|
|
|
|
#### Example
|
|
|
|
```
|
|
$ docker exec app_web_1 tail logs/development.log
|
|
$ docker exec -t -i app_web_1 rails c
|
|
```
|
|
|
|
Run commands in a `container`.
|
|
|
|
|
|
### `docker start`
|
|
|
|
```yml
|
|
docker start [options] CONTAINER
|
|
-a, --attach # attach stdout/err
|
|
-i, --interactive # attach stdin
|
|
|
|
docker stop [options] CONTAINER
|
|
```
|
|
|
|
Start/stop a `container`.
|
|
|
|
|
|
### `docker ps`
|
|
|
|
```
|
|
$ docker ps
|
|
$ docker ps -a
|
|
$ docker kill $ID
|
|
```
|
|
|
|
Manage `container`s using ps/kill.
|
|
|
|
Images
|
|
------
|
|
|
|
### `docker images`
|
|
|
|
```sh
|
|
$ docker images
|
|
REPOSITORY TAG ID
|
|
ubuntu 12.10 b750fe78269d
|
|
me/myapp latest 7b2431a8d968
|
|
```
|
|
|
|
```sh
|
|
$ docker images -a # also show intermediate
|
|
```
|
|
|
|
Manages `image`s.
|
|
|
|
### `docker rmi`
|
|
|
|
```yml
|
|
docker rmi b750fe78269d
|
|
```
|
|
|
|
Deletes `image`s.
|
|
|
|
Also see
|
|
--------
|
|
|
|
* [Getting Started](http://www.docker.io/gettingstarted/) _(docker.io)_
|