Docker docker-compose 사전 요약

Docker docker-compose 사전 요약

Concept

Role

BestPractice

Install

Docker command

Basic commands

Docker Hub의 docker image pull

docker pull <imageName>:<tag>
(ex.)
docker pull node:14.15.4-slim

local의 모든 docker 이미지에서 docker container 만들기

docker run node:14.15.4-slim

local이 가지고 있는 docker 이미지 확인 방법

docker images

local이 가지고 있는 docker container 확인 방법

docker ps
docker ps -a

상태 docker container running

docker restart <ContainerID>

런닝 상태가 된 docker container

docker exec -it <ContainerID> bash

편집된 docker container에서 local에 새 그림 만들기

docker commit <ContainerID> <NewImageName>:<tag>

docker image 복사 시 tag 지정

docker tag <imageName>:<tag> <NewImageName>:<tag>

docker image push를 docker hub에

docker push <userName>/<ImageName>:<tag>

docker hub pull original image

docker pull <username>/<imageName>:<tag>

docker container 삭제

docker rm <containerName>

docker 이미지 삭제

docker rmi <imageName>

local volume에 대한 확인 방법

docker volume ls

docker volume rm <target>

local에 구축된 docker 네트워크 확인 방법

docker network ls

docker network rm <target>

docker 시스템 prune(한 번에 삭제)

docker system prune

탭 가져오기

docker search <imageName>

docker container에서 종료하는 단축키 명령

exit -> ctrl + d
detach -> ctrl + p + q

docker attach <ContainerName>

Dockerfile

Sample

FROM node:16.13.0-slim

RUN apt-get update && apt-get install -y \
    sudo curl vim wget procps \
    && apt clean \
    && rm -rf /var/lib/apt/lists/*

ENV NEXT_TELEMETRY_DISABLED=1
ENV USER_NAME=node
ENV USER_UID=1000
ARG wkdir=/home/${USER_NAME}/app

WORKDIR ${wkdir}

COPY ./app/package*.json /home/${USER_NAME}/app/
COPY ./app/yarn.lock /home/${USER_NAME}/app/

COPY ./app/ /home/${USER_NAME}/app/

RUN yarn install

RUN yarn build

RUN echo "root:root" | chpasswd \
    && usermod -aG sudo ${USER_NAME} \
    && echo "${USER_NAME}:${USER_NAME}" | chpasswd \
    && echo "%${USER_NAME}    ALL=(ALL)    NOPASSWD:    ALL" >> /etc/sudoers.d/${USER_NAME} \
    && chmod 0440 /etc/sudoers.d/${USER_NAME} \
    && chown -hR ${USER_NAME}:${USER_NAME} ${wkdir}

USER ${USER_NAME}


# CMD [ "yarn", "start" ]

docker build -t <image name>:<tag name> (path)

ex.)
docker build -t practice:latest .

docker-compose

Basic commands

Sample

version: '3.3'
services:
  frontend:
    image: ${IMAGE_BASENAME}/ui:${TAG}
    container_name: ${CONTAINER_BASENAME}-ui
    build:
      context: .
      dockerfile: Dockerfile
    volumes:
      - ./app:/home/node/app
      - frontend-volume:/home/node/app/node_modules
    ports:
      - ${FRONTEND_PORT}:3000
    tty: true
    restart: always
volumes:
  frontend-volume:
    name: ${CONTAINER_BASENAME}-volume
    driver: local

함께 삭제

docker-compose down --rmi all --volumes --remove-orphans

Practices

Hello World image의 pull과 run

docker pull hello-world
docker run hello-world

docker ( 🍇 ) :$ docker run -it hello-world

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.
    (arm64v8)
 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/

이미지 사용

docker run -it ubuntu bash

docker run -it --name tests ubuntu  bash

docker run --rm -it --name tests ubuntu  bash

docker run -d -it --name tests ubuntu  bash

Docker Hub Push, Pull

docker run -it --name sample ubuntu bash

pwd
touch test

docker commit <ContainerID> ubuntu:v1

docker tag ubuntu:v1 <NewImageName>:<tag>

(ex.)
docker tag ubuntu:v1 yt0323/my-practice:v2

docker push yt0323/my-practice:v2

docker pull yt0323/my-practice:v2
docker run yt0323/my-practice:v2