platform-test-environment

Type: decision

Decision

Every platform change is validated in a test environment before it reaches production.

Why

Without a parallel hierarchy, platform changes would hit production directly, with failures landing on live landing zones.

Links

• deployment-logic-reusable-workflow — Template workflow changes are validated here first.
• landing-zone-application-profile — The 'Application Registration' workflow is validated here before any platform change reaches production.
• azure-policy-allowed-resources — New whitelisted resource types are manually tested here before reaching production.
• platform-identity-azure — Test has its own dedicated app registration, sourced from a GitHub variable.
• platform-identity-graph — Test identity holds the same Graph permissions as production.
• platform-identity-github — Test and production share the same GitHub App.

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