Flocker vs Rancher: What are the differences?
Developers describe Flocker as "Run your databases in Docker and make them as portable as the rest of your app". Flocker is a data volume manager and multi-host Docker cluster management tool. With it you can control your data using the same tools you use for your stateless applications. This means that you can run your databases, queues and key-value stores in Docker and move them around as easily as the rest of your app. On the other hand, Rancher is detailed as "Open Source Platform for Running a Private Container Service". Rancher is an open source container management platform that includes full distributions of Kubernetes, Apache Mesos and Docker Swarm, and makes it simple to operate container clusters on any cloud or infrastructure platform.
Flocker and Rancher can be primarily classified as "Container" tools.
"Open-Source" is the top reason why over 3 developers like Flocker, while over 89 developers mention "Easy to use" as the leading cause for choosing Rancher.
Flocker and Rancher are both open source tools. It seems that Rancher with 11.8K GitHub stars and 1.31K forks on GitHub has more adoption than Flocker with 3.18K GitHub stars and 287 GitHub forks.
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