Just-in-Time Runner - CI/CD Glossary Definition
A JIT runner is provisioned for one job with a single-use token, then discarded.
A just-in-time (JIT) runner is registered with a single-use configuration token that lets it run exactly one job before it is removed, rather than staying persistently registered.
JIT registration pairs naturally with ephemeral runners: each job gets a fresh, one-time runner, reducing reuse of state and shrinking the window a registration token is valid.
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