Follow this instruction for installing docker: https://docs.docker.com/engine/install/ubuntu/
Get the repository:
cd ~
git clone https://github.com/arminstr/ros_ci_docker.git
Build the Docker Container:
cd ros_ci_docker
docker build -t ci/ros:scenario_sim .
Note: Ensure you can run docker without sudo. Building the conainer takes between 30 minutes and 1 hour depending on your systems performance.
Run the Container:
docker run -p 8080:90 -it ci/ros:scenario_sim
Go to localhost:8080 and take a look at the scenarios.