dg-epsilon v0.1.0A

Immutable. This exact content never changes and is served at /api/v1/blob/dd89df07c3a7053d.

---
name: "dg-epsilon"
description: "Guidance for migrating a Postgres schema without downtime, covering expand-and-contract, backfills, and lock avoidance. Trigger on schema migration, ALTER TABLE, zero-downtime deploy, or a user pasting a migration file."
metadata:
  version: "0.1.0"
  tier: universal
  status: active
---

# dg-epsilon

Do nothing.