Основная информация и базовые команды

Версия docker

Короткая версия

~$ docker --version
Docker version 20.10.2, build 20.10.2-0ubuntu2

Подробная версия

~$ docker version
Client:
 Version:           20.10.2
 API version:       1.41
 Go version:        go1.13.8
 Git commit:        20.10.2-0ubuntu2
 Built:             Tue Mar  2 05:51:34 2021
 OS/Arch:           linux/amd64
 Context:           default
 Experimental:      true
Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.24/version: dial unix /var/run/docker.sock: connect: permission denied
aleksei_khitev@aleksei-PC:~$ docker --version
Docker version 20.10.2, build 20.10.2-0ubuntu2
aleksei_khitev@aleksei-PC:~$ sudo docker --version
Docker version 20.10.2, build 20.10.2-0ubuntu2
aleksei_khitev@aleksei-PC:~$ sudo docker version
Client:
 Version:           20.10.2
 API version:       1.41
 ...

Server:
 Engine:
  Version:          20.10.2
  API version:      1.41 (minimum version 1.12)
  ...      
 runc:
  Version:          1.0.0~rc95-0ubuntu1~21.04.1
  GitCommit:        
 docker-init:
  Version:          0.19.0
  GitCommit:

Курс Docker for Java Developers

Информация о докере

~$ sudo docker info
[sudo] пароль для aleksei_khitev: 
Client:
 Context:    default
 Debug Mode: false

Server:
 Containers: 5
  Running: 0
  Paused: 0
  Stopped: 5
 Images: 189
 Server Version: 20.10.2
 Storage Driver: overlay2
  Backing Filesystem: extfs
  Supports d_type: true
  Native Overlay Diff: true
 Logging Driver: json-file
 Cgroup Driver: cgroupfs
 Cgroup Version: 1
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
 Swarm: inactive
 ...

Приведена информация о контенерах, образах, дисках, swam-е и прочем Курс Docker for Java Developers

Список команд докера

~$ docker --help

Usage:  docker [OPTIONS] COMMAND

A self-sufficient runtime for containers

Options:
      --config string      Location of client config files (default
                           "/home/aleksei_khitev/.docker")
  -c, --context string     Name of the context to use to connect to the
                           daemon (overrides DOCKER_HOST env var and
                           default context set with "docker context use")
  -D, --debug              Enable debug mode
...

Курс Docker for Java Developers

Справка по команде

~$ docker image --help

Usage:  docker image COMMAND

Manage images

Commands:
  build       Build an image from a Dockerfile
  history     Show the history of an image
  import      Import the contents from a tarball to create a filesystem image
  inspect     Display detailed information on one or more images
  load        Load an image from a tar archive or STDIN
  ls          List images
  prune       Remove unused images
  pull        Pull an image or a repository from a registry
  push        Push an image or a repository to a registry
  rm          Remove one or more images
  save        Save one or more images to a tar archive (streamed to STDOUT by default)
  tag         Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE

Run 'docker image COMMAND --help' for more information on a command.

Курс Docker for Java Developers

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