production run; live operation
Computing term for running a system or software in a real, live environment as opposed to testing or development.
Thorough testing is necessary before the production run.
This server is used for live operation.
テスト運用 refers to test or trial operation, whereas 本番運用 is the actual live production run.
本番環境 is the production environment itself, while 本番運用 emphasizes the act of operating in that environment.
Compound of 本番 (ほんばん, 'real thing, actual performance') and 運用 (うんよう, 'operation, management').