This instruction is how to get the required information for adding a kubernetes cluster into GitLab from DigitalOcean
Create your cluster in DigitalOcean however you wish and once complete and ready, login to your GitLab project / group and use the following instructions.
For this you need to get the API URL, cert, token and make a service account for gitlab to use.
Note: Ensure that you check RBAC enabled when setting up the cluster