Envoy Proxy, an open-source edge and service proxy, is a vital part of today’s modern, cloud-native application and is used in production by large companies like Booking.com, Pinterest, and Airbnb( Source ). Tetrate , a top contributor to Envoy, has developed Envoy Fundamentals , free training with a completion certificate, to help enterprises adopt the technology faster. It will enable DevOps users, SREs, developers, and other community members to learn Envoy easily with concept text, practical labs, and quizzes.