Docker:如何提取容器镜像的 ENTRYPOINT 和 COMMAND

你可以使用 docker inspect 提取 Docker 镜像的 ENTRYPOINT

docker_inspect_entrypoint.sh
docker inspect IMAGE --format='{{.Config.Entrypoint}}'

同时打印 command 通常也很有用:

docker_inspect_entrypoint_cmd.sh
docker inspect IMAGE --format='ENTRYPOINT: {{.Config.Entrypoint}} CMD: {{.Config.Cmd}}'

示例:

docker_inspect_example_output_1.txt
$ docker inspect nginxinc/nginx-s3-gateway:latest --format='{{.Config.Entrypoint}}'
[/docker-entrypoint.sh]
docker_inspect_example_output_2.txt
$ docker inspect nginxinc/nginx-s3-gateway:latest --format='ENTRYPOINT: {{.Config.Entrypoint}} CMD: {{.Config.Cmd}}'
ENTRYPOINT: [/docker-entrypoint.sh] CMD: [nginx -g daemon off;]

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