Here you'll have a docker container with an attached volume running a backend with access to the Demeter services.
Here, you'll need to enter the container info. First, enter a name to identify your Container, the docker image to use (it has to be publicly available) and the arguments to be passed to the docker's image entry point.
Then, add the environment variables needed for your image to run, add the config files available inside your container @ /etc/config.
Select the number of replicas and the container size.
Finally, after selecting the storage size (10GB minimum), the storage class (this cannot be modified), and a network to connect; select the Create button.