How Did Kubernetes Win the Container Orchestration War? 1,991 reads by ThoughtWorks contributor at ThoughtWorks. A CNCF survey found that it is used in production by 78% of respondents. A standout feature of the project now is the strength of its open source community. But Apache Mesos and Docker Swarm were both open source too. Why did Amazon offer EKS? We need to look at the history of the battle and study the data from the time.