Docker Unknown flag --mount

Question

I want to mount a directory from the host to a container using the mount flag over volume but I am getting ` This is only experienced when using mount flag and not with volume

*Command:*
    docker run -d  -it  --name devtest --mount type=bind,source="$(pwd)",target=/home/  httpd

Error unknown flag: --mount

Server Version: 1.13.1
Storage Driver: aufs
Dirperm1 Supported: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins: 
Volume: local
Network: bridge host macvlan null overlay
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Init Binary: docker-init
containerd version: "deleted" 
Profile: default
Kernel Version: 4.10.0-42-generic
Operating System: Ubuntu 17.04
OSType: linux
Architecture: x86_64
CPUs: 4
Total Memory: 7.715 GiB
Name: "deleted"
ID: "deleted"
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): false
Registry: https://index.docker.io/v1/
WARNING: No swap limit support
Experimental: false
Insecure Registries:
 127.0.0.0/8
Live Restore Enabled: false

Answer 1

docker run support for the --mount option was only introduced in Docker 17.06. You are using Docker 1.13.1. You have two choices:

1. Update to Docker 17.06 or later if you can;
2. Use the -v approach to bind mount the volume you require e.g. docker run -v $(pwd):/home