Instructions to install docker-ce on Ubuntu:

1) Remove any old installation and update:
    > sudo apt-get remove docker docker-engine docker.io
    > sudo apt-get update
    > sudo apt autoremove
2) Install essential packages:
    > sudo apt-get install apt-transport-https ca-certificates curl software-properties-common
3) Add key and verify if key is added:
    > curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
    > sudo apt-key fingerprint 0EBFCD88
    > sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
      note: The command 'lsb_release -cs' should print the system codename e.g. xenial, otherwise replace with suitable command.

4) Install docker-ce:
    > sudo apt-get update
    > sudo apt-get install docker-ce

Test: verify if docker-ce installation is success by running hello-world:
> sudo docker run hello-world

Run: sudo docker build -t rdkb-simulator .

To Execute

Run: sudo docker run -e CMAC=xxxx rdkb-simulator