Ephemeral Environment - CI/CD Glossary Definition
An ephemeral environment is a short-lived, isolated copy of an application stood up on demand, often per pull request, and torn down when no longer needed. It lets reviewers test changes against a real running system.
Why ephemeral
Creating a fresh environment per change avoids shared-staging contention and leftover state, mirroring how ephemeral runners give each CI job a clean machine.
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