4 While we had lots of benefits of monolith architecture, its codebase is getting larger and complex... ● Difficult to implement new idea ● Difficult to on-boarding ● Difficult to try new technologies Why Microservices?
5 Even business & organization growth, we want to ● Avoid velocity stalled but rather provide new features faster ● Increase each developer productivity Why Microservices? Started to migrate Microservices architecure
6 Microservices? An application is built as independent components that run each function as a service. ● Autonomous ○ Developed, deployed, operated and scaled independently ● Specialized ○ Do one thing well (UNIX philosophy)
7 Benefits of Microservices ● Easy to test ● Easy to deploy ● Easy to on-boarding ● Easy to isolate failure We can achieve great agility of service development!
14 Organization in Microservices Develop Service B QA Deploy Operate QA team SRE team Backend Team A Backend Team B Backend Team C Develop Service A Develop Service C
15 Organization in Microservices Develop Service B QA Deploy Operate Service Team A Service Team B Service Team C Develop Service A Develop Service C QA Deploy Operate QA Deploy Operate
16 Why Microservices Platform? To help each service team to reliably develop, deploy and operate by themselves To automate things done by SRE like infra bootstrap & provisioning, monitoring setup and so on.
17 Microservices Platform We build our platform top on Kubernetes ● Deploy containerized application ● Prepare required resources like DB ● Integrated with logging, monitoring & on-calling service
18 Role of Platform Team ● Kubernetes cluster admin ● Providing core components and tools ○ e.g., API gateway, Kubernetes controller ● Support development of reliable Microservices
20 Work style Our SRE organization has an advertised goal of keeping operational work (i.e., toil) below 50% of each SRE’s time. At least 50% of each SRE’s time should be spent on engineering project work that will either reduce future toil or add service features. https://landing.google.com/sre/book/chapters/eliminating-toil.html
23 Project management We also improve project management style by ourseflves for each Q In this Q, we’re trying 2 week sprint agile style project management