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require-digitalocean-app-spec-region-value

Require DigitalOcean app specs to provide non-empty region values.

Targeted pattern scope​

  • Top-level region: value in .do/app.yaml or .do/app.yml.

What this rule reports​

This rule reports missing or empty region values.

Why this rule exists​

A blank region field is ambiguous and can hide deployment placement mistakes. Explicit values improve infrastructure reviewability.

❌ Incorrect​

name: demo-app
region:
services:
  - name: web

✅ Correct​

name: demo-app
region: nyc
services:
  - name: web

When not to use it​

Disable this rule if region values are intentionally injected externally.

Rule catalog ID: R101

Further reading​