Explore how Shipt, a personal shopping and delivery company, implemented service mesh to solve challenges in ingress, security, multi-tenancy, and multi-cluster operations at scale. Learn about the journey from a grass-roots movement to production, and gain insights into the technology stack, architecture, and decision-making process. Discover the benefits of starting early with service mesh implementation, understand the reasons behind choosing a specific service mesh solution, and examine the existing architecture before and after mesh integration. Dive into topics such as mesh integrated gateway, tiered gateway approach, routing strategies, and multi-cluster DNS configurations. This conference talk provides valuable lessons and ideas for your own service mesh implementation, offering a comprehensive look at how Shipt optimized its microservices infrastructure for efficient delivery services.