docker 以及 ngixn镜像信息如下：

root@iZ28q62x60iZ:/srv/testServer# docker -v
Docker version 18.03.1-ce, build 9ee9f40
root@iZ28q62x60iZ:/srv/testServer# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
nginx               latest              649dcb69b782        19 hours ago        109MB
root@iZ28q62x60iZ:/srv/testServer# 

执行错误报如下错误：

root@iZ28q62x60iZ:/srv/testServer# docekr run --name nginx -d -p 80:80 -v $PWD/conf/nginx.conf:/etc/nginx/nginx.conf nginx
No command 'docekr' found, did you mean:
 Command 'docker' from package 'docker.io' (universe)
docekr: command not found
root@iZ28q62x60iZ:/srv/testServer# docker run --name nginx -d -p 80:80 -v $PWD/conf/nginx.conf:/etc/nginx/nginx.conf nginx
4db2ddccc4022c305991a1dce568fd8332087d5543a56f4a573cde69de33feb8
docker: Error response from daemon: OCI runtime create failed: container_linux.go:348: starting container process caused "process_linux.go:402: container init caused \"rootfs_linux.go:58: mounting \\\"/srv/testServer/conf/nginx.conf\\\" to rootfs \\\"/var/lib/docker/overlay2/3d4b01b3ed517480faba01aa1edb6fbb9e2dc01d5de5239e8c8d00d3a159777a/merged\\\" at \\\"/var/lib/docker/overlay2/3d4b01b3ed517480faba01aa1edb6fbb9e2dc01d5de5239e8c8d00d3a159777a/merged/etc/nginx/nginx.conf\\\" caused \\\"not a directory\\\"\"": unknown: Are you trying to mount a directory onto a file (or vice-versa)? Check if the specified host path exists and is the expected type.
root@iZ28q62x60iZ:/srv/testServer#