olemus
tegelikke talitlusprotsesse toetavate seadmete,
programmide, andmete, võrkude, abiprotsesside kogum,
erinevalt arendus- või testimiskeskkonnast
= a set of devices, programs, data, networks, auxiliary processes that support actual operational processes, as opposed to a development or testing environment

ülevaateid
https://dev.to/flippedcoding/difference-between-development-stage-and-production-d0p

https://www.techslang.com/definition/what-is-production-environment/

https://www.techopedia.com/definition/8989/production-environment

https://www.pagerduty.com/resources/learn/what-is-production-environment/

https://en.wikipedia.org/wiki/Deployment_environment