구성 정보
- OS: Ubuntu 22.04.3 LTS
- 일반 계정에 sudo 권한으로 설치 진행
Docker 서버 구성
필요 패키지 패키지 설치
$ sudo apt -y install apt-transport-https ca-certificates curl gnupg-agent software-properties-common
도커 공식 GPG키 등록
$ sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/trusted.gpg.d/docker.gpg
$ pwd
/etc/apt/trusted.gpg.d
$ ls -al
-rw-r--r-- 1 root root 2760 Feb 4 06:57 docker.gpg
도커 공식 apt 저장소 추가
$ sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
$ sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
Repository: 'deb [arch=amd64] https://download.docker.com/linux/ubuntu jammy stable'
Description:
Archive for codename: jammy components: stable
More info: https://download.docker.com/linux/ubuntu
Adding repository.
Press [ENTER] to continue or Ctrl-c to cancel.
Adding deb entry to /etc/apt/sources.list.d/archive_uri-https_download_docker_com_linux_ubuntu-jammy.list
Adding disabled deb-src entry to /etc/apt/sources.list.d/archive_uri-https_download_docker_com_linux_ubuntu-jammy.list
Get:1 https://download.docker.com/linux/ubuntu jammy InRelease [48.8 kB]
Get:2 https://download.docker.com/linux/ubuntu jammy/stable amd64 Packages [26.1 kB]
Hit:3 http://archive.ubuntu.com/ubuntu jammy InRelease
Hit:4 http://archive.ubuntu.com/ubuntu jammy-updates InRelease
Hit:5 http://archive.ubuntu.com/ubuntu jammy-backports InRelease
Hit:6 http://archive.ubuntu.com/ubuntu jammy-security InRelease
Fetched 74.9 kB in 2s (45.7 kB/s)
Reading package lists... Done
도커 설치
$ sudo apt -y install docker-ce docker-ce-cli containerd.io
설치 확인
$ systemctl status docker
● docker.service - Docker Application Container Engine
Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2024-02-04 07:03:46 UTC; 3min 6s ago
TriggeredBy: ● docker.socket
Docs: https://docs.docker.com
Main PID: 2177 (dockerd)
Tasks: 13
Memory: 89.1M
CPU: 582ms
CGroup: /system.slice/docker.service
└─2177 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
Docker 권한 설정
Docker 운영에 사용할 일반 계정에 관리자 권한 부여
도커 그룹 생성
$ sudo groupadd docker
groupadd: group 'docker' already exists기존에 생성되어 있던 그룹이라 메시지 무시
현재 사용자를 도커 그룹에 포함
$ sudo usermod -aG docker $USER
접근 오류가 발생하지 않도록 권한 설정
$ sudo chmod 666 /var/run/docker.sock
도커 서비스 재시작
$ sudo systemctl restart docker
명령어 실행 확인
$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
Docker 실행
도커 실행
정상가동 확인을 위해 hello-world 라는 이미지로 도커 컨터이너 구동
$ docker run hello-world
Unable to find image 'hello-world:latest' locally
latest: Pulling from library/hello-world
c1ec31eb5944: Pull complete
Digest: sha256:4bd78111b6914a99dbc560e6a20eab57ff6655aea4a80c50b0c5491968cbc2e6
Status: Downloaded newer image for hello-world:latest
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/get-started/
실행 된 컨테이너 확인
$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
f22f38a2f2c6 hello-world "/hello" 2 minutes ago Exited (0) 2 minutes ago determined_gagarin
도커 설치 정보 확인
$ docker info
Client: Docker Engine - Community
Version: 25.0.2
Context: default
Debug Mode: false
Plugins:
buildx: Docker Buildx (Docker Inc.)
Version: v0.12.1
Path: /usr/libexec/docker/cli-plugins/docker-buildx
compose: Docker Compose (Docker Inc.)
Version: v2.24.5
Path: /usr/libexec/docker/cli-plugins/docker-compose
Server:
Containers: 1
Running: 0
Paused: 0
Stopped: 1
Images: 1
Server Version: 25.0.2
Storage Driver: overlay2
Backing Filesystem: extfs
Supports d_type: true
Using metacopy: false
Native Overlay Diff: true
userxattr: false
Logging Driver: json-file
Cgroup Driver: systemd
Cgroup Version: 2
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local splunk syslog
Swarm: inactive
Runtimes: io.containerd.runc.v2 runc
Default Runtime: runc
Init Binary: docker-init
containerd version: ae07eda36dd25f8a1b98dfbf587313b99c0190bb
runc version: v1.1.12-0-g51d5e94
init version: de40ad0
Security Options:
apparmor
seccomp
Profile: builtin
cgroupns
Kernel Version: 5.15.0-92-generic
Operating System: Ubuntu 22.04.3 LTS
OSType: linux
Architecture: x86_64
CPUs: 8
Total Memory: 976.2MiB
Name: docker
ID: 29bbe969-5075-41e9-8172-cacded64891e
Docker Root Dir: /var/lib/docker
Debug Mode: false
Experimental: false
Insecure Registries:
127.0.0.0/8
Live Restore Enabled: false