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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.
Pros of Flocker
- Open-Source4
- Easily manage Docker containers with Data3
- Easy setup2
- Great support from their team2
- Multi-host docker-compose support2
- Only requires docker2
Pros of Rancher
- Easy to use103
- Open source and totally free79
- Multi-host docker-compose support63
- Load balancing and health check included58
- Simple58
- Rolling upgrades, green/blue upgrades feature44
- Dns and service discovery out-of-the-box42
- Only requires docker37
- Multitenant and permission management34
- Easy to use and feature rich29
- Cross cloud compatible11
- Does everything needed for a docker infrastructure11
- Simple and powerful8
- Next-gen platform8
- Very Docker-friendly7
- Support Kubernetes and Swarm6
- Application catalogs with stack templates (wizards)6
- Supports Apache Mesos, Docker Swarm, and Kubernetes6
- Rolling and blue/green upgrades deployments6
- High Availability service: keeps your app up 24/76
- Easy to use service catalog5
- Very intuitive UI4
- IaaS-vendor independent, supports hybrid/multi-cloud4
- Awesome support4
- Scalable3
- Requires less infrastructure requirements2
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Cons of Flocker
Cons of Rancher
- Hosting Rancher can be complicated10
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