docker 사용법

1. docker images 확인

(hjhan03-sample-django) root@aidw-008:/home/aidw/work_han/hjhan03-sample-airnd-api-template# docker images
REPOSITORY                                      TAG                    IMAGE ID            CREATED             SIZE
<none>                                          <none>                 e9094fcbc348        6 hours ago         914MB
python                                          3.7                    53c4b920ae84        3 days ago          903MB
nginx                                           1.19                   08393e824c32        13 months ago       132MB
mongo                                           latest                 aa22d67221a0        13 months ago       493MB
mongo-express                                   latest                 323f84fbaf9b        13 months ago       130MB
k8s.gcr.io/kube-proxy                           v1.18.6                c3d62d6fe412        13 months ago       117MB
k8s.gcr.io/kube-apiserver                       v1.18.6                56acd67ea15a        13 months ago       173MB
k8s.gcr.io/kube-controller-manager              v1.18.6                ffce5e64d915        13 months ago       162MB

2. 실행중인 docker 확인

(hjhan03-sample-django) root@aidw-008:/home/aidw/work_han/hjhan03-sample-airnd-api-template# docker ps -a
CONTAINER ID        IMAGE                     COMMAND                  CREATED             STATUS                      PORTS                                                            NAMES
3bd5691e7b8a        642ea549c9bd              "sh ./docker_build.sh"   14 minutes ago      Exited (2) 14 minutes ago                                                                    inspiring_montalcini
2ed4807a042c        642ea549c9bd              "sh ./docker_build.sh"   4 hours ago         Exited (2) 4 hours ago                                                                       confident_rosalind
704e14b0774e        e9094fcbc348              "/bin/sh -c 'apt-get…"   6 hours ago         Exited (100) 6 hours ago                                                                     laughing_sammet
223b4097d3eb        redis                     "docker-entrypoint.s…"   14 months ago       Exited (0) 12 months ago                                                                     some-redis
de70324f7755        gitlab/gitlab-ce:latest   "/assets/wrapper"        17 months ago       Up 5 days (healthy)         0.0.0.0:80->80/tcp, 0.0.0.0:443->443/tcp, 0.0.0.0:2222->22/tcp   gitlab
e283b5daaaf0        mongo:4.0                 "docker-entrypoint.s…"   21 months ago       Up 5 days                   27017/tcp                                                        wekan-db
fb93fb71df07        wiseosho/hadoop:interm    "/bin/bash"              2 years ago         Exited (255) 2 years ago                                                                     hadoop

3. docker build

(hjhan03-sample-django) root@aidw-008:/home/aidw/work_han/hjhan03-sample-airnd-api-template# docker build -t hjhan03-sample-airnd-api-template .
Sending build context to Docker daemon  10.89MB
Step 1/9 : FROM python:3.7
 ---> 53c4b920ae84
Step 2/9 : ENV APP_DIR_PATH /home/cafe24_deploy/hjhan03-sample-airnd_api_template
 ---> Running in 8bb222b1eef9
Removing intermediate container 8bb222b1eef9
 ---> bf5f4e32cb57
Step 3/9 : RUN mkdir -p $APP_DIR_PATH
 ---> Running in 444d9ed8cef6
Removing intermediate container 444d9ed8cef6
 ---> 1ac53346d4b8
Step 4/9 : COPY . $APP_DIR_PATH
 ---> 8918b7101e04
Step 5/9 : WORKDIR $APP_DIR_PATH/airnd_api_template/app
 ---> Running in 2af4621395ec
Removing intermediate container 2af4621395ec
 ---> ab5c3a6babd9
Step 6/9 : RUN mkdir -p $APP_DIR_PATH/airnd_api_template/app/logs
 ---> Running in 48bdfadab694
Removing intermediate container 48bdfadab694
 ---> e45855d6d4c3
Step 7/9 : RUN apt-get update -y &&    apt-get upgrade -y &&    apt-get clean
 ---> Running in 671c7f1efb23
 
 Reading package lists...
Building dependency tree...
Reading state information...
Calculating upgrade...
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Removing intermediate container 671c7f1efb23
 ---> 1fe54fef4ca1
Step 8/9 : EXPOSE 3000
 ---> Running in 69b67d8c7f01
Removing intermediate container 69b67d8c7f01
 ---> 4d8ba45878ac
Step 9/9 : CMD ["sh", "./docker_build.sh"]
 ---> Running in 4f844486dcee
Removing intermediate container 4f844486dcee
 ---> 106398f84910
Successfully built 106398f84910
Successfully tagged hjhan03-sample-airnd-api-template:latest

4. docker run

• 기본 format

$ docker run (<옵션>) <이미지 식별자> (<명령어>) (<인자>)

• port 사용시

docker run -it -p [외부port]:[컨테이너 내부port] --name [컨테이너 이름] [image id] /bin/bash

5. docker container remove

-기본 format

 docker image rm [OPTIONS] IMAGE [IMAGE...]

-ex

docker image rm -f hjhan03-sample-airnd-api-template

6. docker image remove

docker rmi <your-image-id>

6. docker exec

• 내부 실행

docker exec -it  c456623003b1 /bin/bash

reference

https://www.daleseo.com/docker-run/