GitOps is more than a buzzword; it's a paradigm shift in how we manage infrastructure and applications. Here, I break down what it really means to have Git as your single source of truth. I walk through setting up ArgoCD in a local cluster, configuring Application CRDs, and handling secrets management using Sealed Secrets so you never commit credentials to your repo. The guide concludes with advanced topics like Sync Waves and hooks for running database migrations before new pods are spun up.