If you see en error like this one, it means that you do not have the appropriate permissions.
permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get "http://%2Fvar%2Frun%2Fdocker.sock/v1.45/containers/threatrix-threat-center/json": dial unix /var/run/docker.sock: connect: permission denied
permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get "http://%2Fvar%2Frun%2Fdocker.sock/v1.45/containers/threatrix-hybrid-app/json": dial unix /var/run/docker.sock: connect: permission denied
Uninstall the containers and reinstall with sudo, as follows:
