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Replacing Static GCP Credentials in CI/CD with Workload Identity Federation Part 1 of 2 — Concepts and Architecture If your GitHub Actions workflows authenticate to GCP using a stored secret — a service account key JSON, a FIREBASE_TOKEN, or any other long-lived credential — you have a static credential problem. It doesn’t matter what format the credential is in. The issue is that it exists at rest, in GitHub, and was generated by a person who may no longer work there. ...

Setting Up Workload Identity Federation: An Agent-Assisted Rollout Part 2 of 2 — Implementation Part 1 explained the concepts and the three decisions you need to make: where the WIF pool lives, whether to use branch or environment conditions, and who approves production deploys. This post walks through the actual rollout using an AI coding agent (Claude Code) to examine your existing infrastructure, propose a plan, and execute it step by step — with you reviewing and approving at every decision point. The agent handles the mechanical work. You make the security decisions. ...