About

What is this site?

I write the history of Japanese companies. It has been my hobby for over ten years, and I run it alone. Built on minimal compute, it runs on one to two US dollars a day.

Because it is a hobby, I can build it the way I think it should be.

AWS ($1–2/day) Running 24/7 EC2 t4g.micro EC2 t4g.micro EC2 c7i.24xlarge EC2 t4g.micro Local 8 GB RAM Hobby organization 戦略本部 調査部 分析部 執筆部 監査部 制作部 Amazon S3 private Amazon S3 public CloudFront Edge delivery FSA / EDINET 金融庁 読者 Bots/AI/Agents S3 (Logs) 0 logs offload compute deploy EC2 自作CI/CDサーバー ~3,700 files/day (avg) HTTPS access log Analyse 100,000–200,000 log lines a day: every visit by bots, humans and AI, and review 100 improvement proposals a day 悪質なIPを記録しました.. SQL injection 悪質なIPを記録しました.. SSRF CI CD 0 files UI改善しました! 改善のリリース 共通指令 改善レポートの精査 0/6