Yusuke Sugiyama

Tokyo Gas reimagined its largest digital membership platform to accelerate innovation after market deregulation, moving from a lift-and-shift cloud approach, taking its first step towards a truly cloud native architecture. In this talk, the myTOKYOGAS team shares how they adopted Kubernetes, Argo CD, and Istio to transition to microservices—achieving 4x faster deployments, 30% lower costs, and 30% less operational effort. With a small team, they launched their first microservice in just months, dramatically cutting down release times and building a scalable foundation for future growth. Learn how open source helped Tokyo Gas fuel agility and sustainability at scale.