production’ ͷߟ͑ํʹ͍ۙ • Staging cannot be production • iterationͷߴԽ, Agilityͷ্ All-or-nothing deployment + Test in production = high risk Progressive Delivery + Test in production = low risk Test in production meets P.D. https://www.getambassador.io/docs/latest/topics/concepts/progressive-delivery/