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Our Practices of Delegating Ownership
in Microservices World
Daisuke Fujita (@dtan4)
Mercari, Inc.
Microservices Platform Team
June 14, 2019
SREcon19 Asia/Pacific Lightning Talk
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delegating ownership?
At Mercari Microservices
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Monolith (-2018)
Good at first, but not scalable
Need to change the system &
organization, before growing up more
- Complexity
- Velocity
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Scale the organization &
Maximize output
Microservices at Mercari
small / autonomous /
cross-functional teams
strong ownership by the teams
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Ownership by Microservice Team
...how?
Service teams
write code, deploy it, run it
by themselves
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Q: How to prepare
microservice’s infrastructure?
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Monorepo for Terraform Configurations
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Monorepo for Terraform Configurations
terraform/microservices
|-- mercari-echo-jp
| |-- development
| `-- production
| |-- backend.tf
| |-- google_bigquery_dataset.tf
| |-- google_spanner_database.tf
| |-- module_microservice_starter_kit.tf
| |-- providers.tf
| `-- variables.tf
`-- mercari-listing-jp
|-- development
`-- production
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Q: What are the microservices
requirements in production?
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Production Readiness Checklist
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Production Readiness Checklist
- Maintainability
- Durability
- Observability
- Reliability
- Security
- Accessibility
- Sustainability
- Data Storage
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Production Readiness Checklist
TODO: automated regular check
GitHub issue-based check & review process
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Conclusion
Ownership by microservice teams
- Monorepo for provisioning microservice
infrastructure
- Production Readiness Checklist
It contributes to organizational expansion with
microservices
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