Document GCP IAM roles and minimal custom-role mode#244
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Summary
Porter now supports a minimal-permission mode on GCP. When enabled for a project, Porter provisions a project-scoped IAM custom role named
porterManagerthat grants only the permissions Porter actually uses, in place of broad predefined roles likeroles/storage.admin,roles/compute.admin, androles/container.admin. The mode is rolled out per project.Changes
cloud-accounts/connecting-a-cloud-account.mdx, covering:porterManager), including which broad roles it replaces and the bootstrap roles that remainporterManagercustom role when minimal mode was enabled.Why
Customers in regulated environments need a clear reference for the IAM permissions Porter requires on their GCP project, and the new minimal-permission mode is a notable scoping change worth surfacing in the connecting-a-cloud-account guide.