ADR-001-argocd-distributed.md

ADR-001: Argo CD per Cluster vs Centralized

Status: Accepted

Date: 2026-01-25

Context

Decide whether Argo CD should be centralized or distributed.

Decision

Argo CD per cluster (distributed).

Rationale

• Blast radius isolation
• No cross-account dependency for deployments
• Simplifies IAM and networking
• Each environment is autonomous

Consequences

• More instances to manage
• Need to synchronize configurations via Git