Setup

kubectl config

gcloud container clusters get-credentials <cluster_name> --region=<region>

k apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml

k port-forward svc/argocd-server -n argocd 8080:443

echo -n <secret> | base64

k -n argocd edit secret argocd-secret

# ...
type: Opaque
data:
  dex.github.clientSecret: <encoded_secret>