require-digitalocean-app-spec-region

Require a root region in DigitalOcean App Platform specs.

Targeted pattern scope

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

What this rule reports

This rule reports DigitalOcean App Platform specs that omit the root deployment region.

Why this rule exists

Region selection affects latency, compliance boundaries, and cost. Requiring an explicit region value in the app spec makes infrastructure placement decisions clear in version control.

❌ Incorrect

name: example-app
services:
  - name: web

✅ Correct

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

When not to use it

Disable this rule if your repository intentionally relies on external defaults for DigitalOcean region selection.

Rule catalog ID: R080

Targeted pattern scope​

What this rule reports​

Why this rule exists​

❌ Incorrect​

✅ Correct​

When not to use it​

Further reading​