Skip to main content
Glossary term

Variable validation

A Terraform feature that rejects a plan when a variable does not meet the rules you set, used to refuse a deployment that is missing its tags.

1 lesson reference ← Back to glossary
Where it appears

Read the term in context.

Each row is a lesson that uses this term. The lesson where it first appears is the canonical definition.

T5 / M5.6 / L1 Tag enforcement in Terraform / CDK / Pulumi

Start with the bill.

Foundations takes about five hours. The first lesson is nine minutes.

Open curriculum. No login. No paywall. 290 lessons across 7 courses, three publicly verifiable credentials. Read it on the train, take the exam on a Saturday, list the credential on your résumé Monday.

Read Foundations →See the Credentials →
5h median time to finish Foundations
0 logins, paywalls, or marketing forms
open curriculum, public credential verifier
Multi-cloud automation· Production-ready in 30 min· SOC 2 · ISO 27001· 20–60% off the bill, first month· 4 platforms · 1 console· Multi-cloud automation· Production-ready in 30 min· SOC 2 · ISO 27001· 20–60% off the bill, first month· 4 platforms · 1 console·