Seiryu Mishina
| Year | Organization & Role |
|---|---|
| 2018/04~2022/03 | Teikyo University (Dept. of Information & Electronic Engineering) |
| 2020/12~2022/03 | EXIDEA Inc. (Intern: Data Scientist) |
| 2022/04~2024/02 | ZOZO Inc. (ZOZOMOTOWN SRE dept. Platform Service SRE) |
| 2024/02~2026/03 | ZOZO Inc. (ZOZOMOTOWN SRE dept. Front SRE) |
| 2025/04~2025/09 | ZOZO Inc. (ZOZOMO dept. SRE) |
| 2025/09~ | ZOZO Inc. (New Product Section BE dept. Platform Engineer) |
| Category | Repository | Description |
|---|---|---|
| Application | mvc-model-sample | Minimal sample implementation of MVC architecture Repo |
| thread_pool_task_executor_sandbox | Experimental implementation of a thread pool–based task executor Repo | |
| springboot-worker-sandbox | Sandbox for worker-based architecture using Spring Boot Repo | |
| Observability | spring-boot-jmx-metrics-sample | Sample for collecting JMX metrics from Spring Boot applications Repo |
| sandbox-otel-py-app | Python application for experimenting with OpenTelemetry tracing Repo | |
| apm-sandbox | Sandbox project for validating APM concepts and configurations Repo | |
| log-mask-sandbox | This repository is a sandbox that explores methods for masking application logs. Repo | |
| Onboarding Materials | flexiblemockserver | Flexible mock server designed for onboarding and local development Repo |
| GitOps | image-resource-controller-argocd-sandbox | Sandbox for Image Resource Controller integration with Argo CD Repo |
| image-resource-controller-flux-sandbox | Sandbox for Image Resource Controller integration with Flux Repo | |
| DB | innodb_buffer_pool_size_sandbox | Sandbox for analyzing the behavior of InnoDB buffer pool size Repo |
| rds-ops-sandbox | Sandbox environment for learning RDS operations. Learn MySQL operations using the schema of the large-scale SNS service “SocialHub”. Repo |
| Tool | Repository | Description |
|---|---|---|
| flexiblemockserver | flexiblemockserver | Flexible mock server for API simulation, onboarding, and local testing in SRE workflows Repo |
| p_terraformer | p_terraformer | Utility tool for processing and generating Terraform-related resources and configurations Repo |
| redis_benchmark (in preparation) | locust-redis-benchmark | Redis benchmarking tool using Locust for load and performance testing (WIP) Repo |
| hcl_processor | hcl_processor | Tool for parsing and processing HCL (HashiCorp Configuration Language) programmatically Repo |
| open-api-mock-build | open-api-mock-build | Tool to automatically generate mock servers from OpenAPI specifications Repo |
| cobrayaml | cobrayaml | YAML based command builder and code generator for Cobra CLI applications Repo |
| Tool | Repository | Description | Platform |
|---|---|---|---|
| reusable-workflows | reusable-workflows | Reusable GitHub Actions workflows for testing, linting, Docker builds, releases, and security scans across Go, Python, Java, and more. Repo |
| Operator | Repository | Description |
|---|---|---|
| image-resource-controller | image-resource-controller | Kubernetes custom operator that manages container image resources declaratively, enabling GitOps-friendly image updates and lifecycle control Repo |
| initjob-operator | initjob-operator | Kubernetes operator that manages one-time initialization jobs with diff detection, ensuring idempotent Repo |
- Dec 25, 5 LGTM GitHub Actions Workflowの実行結果と実行時間をDatadog Monitorで仕込んでみた
- Mar 9, 1 LGTM AWS RDS 拡張モニタニングの詳細度を変更する方法
- Mar 9, 5 LGTM Kubernetes Service カテゴリのハンズオンを輪読会でやってみた
- Mar 3, 4 LGTM AWS リソースを手動作成後に CloudFormation で管理する方法
- Feb 14, 6 LGTM Kubernetesのconfigmapやsecret更新時にワークロードをアップグレードしてくれるReloaderを触ってみた