docker 命令

docker 命令

用 root 用户执行命令
docker exec -it --user root /bin/bash

用 docker run 覆盖 ENTRYPOINT
docker run -it --entrypoint /bin/bash [docker_image]

dockerfile 例子:

FROM ubuntu
MAINTAINER sadd
RUN apt-get update
ENTRYPOINT [“echo”, “Hello”]
CMD [“World”]

参考
https://phoenixnap.com/kb/docker-run-override-entrypoint