☁️ GCP CLI (gcloud) Reference
Auth and project setup, Compute Engine (instances/SSH/firewall), Cloud Run (deploy/traffic/jobs), GKE clusters, Cloud Storage, IAM (service accounts/roles/policy bindings), Cloud Functions, Secrets Manager, and Cloud Logging.
🔍 Free tool: HTTP Security Headers Analyzer — check that your Cloud Run or GKE-hosted service returns the right HTTP security headers — HSTS, CSP, X-Frame-Options.