This is a slide for SRE NEXT 2020 (https://sre-next.dev/). Mercari Microservices Platform Team is building a platform for backend developers to build and run microservices. Currently, in this platform, around 100+ microservices are running and more than 200+ developers are working with. To run this scale of platform, the reliability is really critical. In this talk, I will share how we operate thi