Argo CD makes managing multiple clusters easier by allowing you to register external Kubernetes clusters. You can connect clusters using kubeconfig credentials and deploy applications from a single Argo CD instance. It’s best to organize clusters by environment—like staging, testing, and production—to keep deployments structured. Argo CD’s project feature helps segment access, so each team works within its cluster boundaries. Syncing policies and labels ensure that apps deploy correctly across clusters. This setup enhances scalability, simplifies management, and keeps environments consistent across your infrastructure.