docker rmi 관련 문의입니다.

Question

안녕하세요 선생님. docker 주요 명령 익히기6(컨테이너 다루는 다양한 옵션) 8분:25초 에서 해당 이미지를 제하려고하면 하기와 같은 오류가 뜨면서 삭제가 안되는데, 조치할수있는 사항이 있을까요?.. ubuntu@ip-172-31-38-226:~/2021_DEV_HTML$ docker system df TYPE TOTAL ACTIVE SIZE RECLAIMABLE Images 4 4 305.5MB 0B (0%) Containers 11 1 28B 26B (92%) Local Volumes 0 0 0B 0B Build Cache 0 0 0B 0B ubuntu@ip-172-31-38-226:~/2021_DEV_HTML$ docker images REPOSITORY TAG IMAGE ID CREATED SIZE ubuntu latest b6548eacb063 12 days ago 77.8MB httpd alpine 489db2792d7f 13 days ago 59.3MB httpd latest a6ca7b52a415 3 weeks ago 168MB hello-world latest 9c7a54a9a43c 7 months ago 13.3kB ubuntu@ip-172-31-38-226:~/2021_DEV_HTML$ docker rmi httpd:latest Error response from daemon: conflict: unable to remove repository reference "httpd:latest" (must force) - container 919738d198d7 is using its referenced image a6ca7b52a415 ubuntu@ip-172-31-38-226:~/2021_DEV_HTML$     감사합니다..

qor0923 · Answer

안녕하세요. 자문자답입니다. ubuntu@ip-172-31-38-226:~/2021_DEV_HTML$ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 3147dd613026 httpd:alpine "httpd-foreground" 15 minutes ago Up 5 minutes 0.0.0.0:80->80/tcp, :::80->80/tcp apacheweb 919738d198d7 httpd "httpd-foreground" 3 hours ago Exited (0) 3 hours ago relaxed_jemison 15181a2871cc httpd "httpd-foreground" 7 days ago Exited (0) 7 days ago nervous_greider d3e9b6736e2a ubuntu "/bin/bash" 7 days ago Exited (137) 7 days ago suspicious_khayyam 5981cf8b101f ubuntu "/bin/bash" 7 days ago Exited (137) 7 days ago vibrant_hermann 59888bed404a ubuntu "/bin/bash" 7 days ago Exited (0) 7 days ago myubuntu3 2a4e171f1d33 ubuntu "/bin/bash" 7 days ago Exited (0) 7 days ago friendly_mendel f32f9cd1c2ea ubuntu "/bin/bash" 7 days ago Exited (0) 7 days ago myubuntu 2b41d9e5aa41 ubuntu "/bin/bash" 7 days ago Exited (0) 7 days ago charming_kepler b2b8056f7331 ubuntu "/bin/bash" 7 days ago Exited (0) 7 days ago elastic_cohen fdf144797e30 hello-world "/hello" 7 days ago Exited (0) 7 days ago hardcore_hypatia ubuntu@ip-172-31-38-226:~/2021_DEV_HTML$ docker rm 919 919 ubuntu@ip-172-31-38-226:~/2021_DEV_HTML$ docker rm 151 151 ubuntu@ip-172-31-38-226:~/2021_DEV_HTML$ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 3147dd613026 httpd:alpine "httpd-foreground" 15 minutes ago Up 5 minutes 0.0.0.0:80->80/tcp, :::80->80/tcp apacheweb d3e9b6736e2a ubuntu "/bin/bash" 7 days ago Exited (137) 7 days ago suspicious_khayyam 5981cf8b101f ubuntu "/bin/bash" 7 days ago Exited (137) 7 days ago vibrant_hermann 59888bed404a ubuntu "/bin/bash" 7 days ago Exited (0) 7 days ago myubuntu3 2a4e171f1d33 ubuntu "/bin/bash" 7 days ago Exited (0) 7 days ago friendly_mendel f32f9cd1c2ea ubuntu "/bin/bash" 7 days ago Exited (0) 7 days ago myubuntu 2b41d9e5aa41 ubuntu "/bin/bash" 7 days ago Exited (0) 7 days ago charming_kepler b2b8056f7331 ubuntu "/bin/bash" 7 days ago Exited (0) 7 days ago elastic_cohen fdf144797e30 hello-world "/hello" 7 days ago Exited (0) 7 days ago hardcore_hypatia ubuntu@ip-172-31-38-226:~/2021_DEV_HTML$ docker system df TYPE TOTAL ACTIVE SIZE RECLAIMABLE Images 4 3 305.5MB 168.3MB (55%) Containers 9 1 28B 26B (92%) Local Volumes 0 0 0B 0B Build Cache 0 0 0B 0B ubuntu@ip-172-31-38-226:~/2021_DEV_HTML$ docker images REPOSITORY TAG IMAGE ID CREATED SIZE ubuntu latest b6548eacb063 12 days ago 77.8MB httpd alpine 489db2792d7f 13 days ago 59.3MB httpd latest a6ca7b52a415 3 weeks ago 168MB hello-world latest 9c7a54a9a43c 7 months ago 13.3kB ubuntu@ip-172-31-38-226:~/2021_DEV_HTML$ docker rmi httpd:latest Untagged: httpd:latest Untagged: httpd@sha256:04551bc91cc03314eaab20d23609339aebe2ae694fc2e337d0afad429ec22c5a Deleted: sha256:a6ca7b52a41549f13f7de6aeac4ab6ffebd41585fbf2273f00fd6e82bb721949 Deleted: sha256:cdfabdae5172d05eb5141bb77aaa300a195570b0befd780b6e2fc7bd20ea2cd5 Deleted: sha256:16d494768121f45ba050ad50a669400818478131cb930bb0c8b5d2f908057142 Deleted: sha256:29b181ca372e770053cc03410789236d7a96171f1f77110741d0f3f068a29c67 Deleted: sha256:e8254408730a345e2ccf863e19c850e7ee78b59dfd9e4aa265b0107dd4301be5 Deleted: sha256:92770f546e065c4942829b1f0d7d1f02c2eb1e6acf0d1bc08ef0bf6be4972839 이미지 이름이 httpd인 애들 다 제거후에 진행하니까 강의처럼 진행이됩니다.