My spring boot project that has helm charts needs to be deployed on GCP (using GKE)

Hi All ,
I am pretty new to devops world and gitlab .I have a project that is a springbok applications and so far I have been deploying it using helm charts on a local Minikube cluster . want to deploy it on GCP using Gitlab CI/CD , can you please share some example to do that where helm chart configuration is already available within project ?