[root@c7-45 docker]# docker run --entrypoint htpasswd registry:2 -Bbn testuser testpassword
docker: Error response from daemon: OCI runtime create failed: container_linux.go:349: starting container process caused "exec: \"htpasswd\": executable file not found in $PATH": unknown.
ERRO[0000] error waiting for container: context canceled 

今天一直出现这个问题
参考

然后解决了 我觉得 应该是 镜像版本的问题导致的不匹配

[root@c7-45 docker]# docker run --entrypoint htpasswd registry:2.6.2 -Bbn testuser testpassword
testuser:$2y$05$TR89A66hXNOZ.ACTBJwBNe/Nga71irZ9Cw7fT0egdgpCEzKu840XG

[root@c7-45 docker]# ls
auth  certs
[root@c7-45 docker]# docker run --entrypoint htpasswd registry:2.6.2 -Bbn admin westos > auth/htpasswd