[Docker] 중지된 컨테이너 자동 제거 하기

도커 이미지와 컨테이너를 실행한 이후 소스 코드 수정등으로 이미지와 컨테이너를 새로 생성해야하는 경우가 많다.

이럴 경우 컨테이너 생성시 하나의 옵션을 추가하면 컨테이너가 중지될때 자동으로 제거된다.

 

 

얘를 날려보면

docker run --help

   --rm            Automatically remove the container and its associated

 

--rm 이라는 옵션을 사용할수 있다.

➜  docker build .
[+] Building 3.8s (12/12) FINISHED                                                docker:desktop-linux
 => [internal] load build definition from Dockerfile                                              0.0s
 => => transferring dockerfile: 221B                                                              0.0s
 => [internal] load metadata for docker.io/library/node:20.12.2-alpine3.19                        0.0s
 => [internal] load .dockerignore                                                                 0.0s
 => => transferring context: 2B                                                                   0.0s
 => [1/7] FROM docker.io/library/node:20.12.2-alpine3.19                                          0.0s
 => [internal] load build context                                                                 0.1s
 => => transferring context: 49.37kB                                                              0.1s
 => CACHED [2/7] WORKDIR /app                                                                     0.0s
 => CACHED [3/7] COPY package.json /app                                                           0.0s
 => CACHED [4/7] RUN corepack enable                                                              0.0s
 => CACHED [5/7] RUN pnpm install                                                                 0.0s
 => [6/7] COPY . /app                                                                             0.1s
 => [7/7] RUN pnpm docs:build                                                                     3.6s
 => exporting to image                                                                            0.0s
 => => exporting layers                                                                           0.0s
 => => writing image sha256:2535b6c61759f73e63f52d815c2cb46951e9085eacb1284947ef7af082369b82      0.0s


# 생성된 이미지 확인

➜  docker images
REPOSITORY   TAG                  IMAGE ID       CREATED         SIZE
<none>       <none>               2535b6c61759   5 seconds ago   267MB
<none>       <none>               64393808cb77   5 weeks ago     268MB
<none>       <none>               2ef122f569f5   5 weeks ago     268MB
<none>       <none>               26dcc0d20705   5 weeks ago     268MB
<none>       <none>               49b364a707f7   5 weeks ago     268MB
<none>       <none>               63a51fc658ac   5 weeks ago     1.02GB
node         20.12.2-alpine3.19   3b62bffc0937   2 months ago    133MB

# 컨테이너를 생성한다 -d: detach --rm: 이 부분 추가
➜   docker run -p 4000:4173 -d --rm 2535b6c61759
a36981e1bfadf572cf007a14876842aa6bcc2e65899e7c3044daeda65880102a

# 활성화된 컨테이너 확인
➜   docker ps
CONTAINER ID   IMAGE          COMMAND                   CREATED          STATUS          PORTS                    NAMES
a36981e1bfad   2535b6c61759   "docker-entrypoint.s…"   27 seconds ago   Up 27 seconds   0.0.0.0:4000->4173/tcp   stupefied_fermat

# 해당 컨테이너를 중지.
➜  thoughtofyou-vite-press git:(master) docker stop stupefied_fermat
stupefied_fermat

# 컨테이너 목록 확인
➜  thoughtofyou-vite-press git:(master) docker ps
CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES

# 컨테이너 삭제 확인
➜  docker ps -a
CONTAINER ID   IMAGE          COMMAND                   CREATED       STATUS                    PORTS     NAMES
9c641cc74339   64393808cb77   "docker-entrypoint.s…"   5 weeks ago   Exited (0) 24 hours ago             trusting_ride
6272feac053b   2ef122f569f5   "docker-entrypoint.s…"   5 weeks ago   Exited (1) 5 weeks ago              interesting_feynman
402ca3ac9967   2ef122f569f5   "docker-entrypoint.s…"   5 weeks ago   Exited (0) 5 weeks ago              optimistic_proskuriakova
f4f846c43000   26dcc0d20705   "docker-entrypoint.s…"   5 weeks ago   Exited (0) 5 weeks ago              flamboyant_hofstadter
daf5af8de73a   49b364a707f7   "docker-entrypoint.s…"   5 weeks ago   Exited (0) 5 weeks ago              dazzling_sutherland
9ecbad2dc4bd   49b364a707f7   "docker-entrypoint.s…"   5 weeks ago   Exited (0) 5 weeks ago              silly_lumiere
71ecc7010d01   63a51fc658ac   "python rng.py"           5 weeks ago   Exited (0) 5 weeks ago              magical_euler

# 이미지는 아직 존재
➜  thoughtofyou-vite-press git:(master) docker images
REPOSITORY   TAG                  IMAGE ID       CREATED          SIZE
<none>       <none>               2535b6c61759   31 minutes ago   267MB
<none>       <none>               64393808cb77   5 weeks ago      268MB
<none>       <none>               2ef122f569f5   5 weeks ago      268MB
<none>       <none>               26dcc0d20705   5 weeks ago      268MB
<none>       <none>               49b364a707f7   5 weeks ago      268MB
<none>       <none>               63a51fc658ac   5 weeks ago      1.02GB
node         20.12.2-alpine3.19   3b62bffc0937   2 months ago     133MB

 

매번 컨테이너를 중지시키고 삭제하는 과정을 번거롭게 진행할 필요 없는 옵션이다.