docker inspect コマンドで設定を確認する。
Config.Cmd の箇所を見る。
❯ docker inspect busybox:latest
[
{
"Id": "sha256:3fba0c87fcc8ba126bf99e4ee205b43c91ffc6b15bb052315312e71bc6296551",
"RepoTags": [
"busybox:latest"
],
"RepoDigests": [
"busybox@sha256:9ae97d36d26566ff84e8893c64a6dc4fe8ca6d1144bf5b87b2b85a32def253c7"
],
"Parent": "",
"Comment": "",
"Created": "2023-05-18T22:34:17Z",
"DockerVersion": "",
"Author": "",
"Config": {
"Hostname": "",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": null,
"Cmd": [
"sh"
],
"Image": "",
"Volumes": null,
"WorkingDir": "",
"Entrypoint": null,
"OnBuild": null,
"Labels": null
},
"Architecture": "arm64",
"Variant": "v8",
"Os": "linux",
"Size": 4042262,
"GraphDriver": {
"Data": {
"MergedDir": "/var/lib/docker/overlay2/107720d5b5af33f66c16816566b024ac621f040e2bfb41b6334a698c93cdbc7c/merged",
"UpperDir": "/var/lib/docker/overlay2/107720d5b5af33f66c16816566b024ac621f040e2bfb41b6334a698c93cdbc7c/diff",
"WorkDir": "/var/lib/docker/overlay2/107720d5b5af33f66c16816566b024ac621f040e2bfb41b6334a698c93cdbc7c/work"
},
"Name": "overlay2"
},
"RootFS": {
"Type": "layers",
"Layers": [
"sha256:8e13bc96641a6983e79c9569873afe5800b0efb3993c3302763b9f5bc5fb8739"
]
},
"Metadata": {
"LastTagTime": "0001-01-01T00:00:00Z"
}
}
]Reference