Docker Cloud vs Rancher: What are the differences?
What is Docker Cloud? A hosted service for Docker container management and deployment. Docker Cloud is the best way to deploy and manage Dockerized applications. Docker Cloud makes it easy for new Docker users to manage and deploy the full spectrum of applications, from single container apps to distributed microservices stacks, to any cloud or on-premises infrastructure.
What is Rancher? 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.
Docker Cloud can be classified as a tool in the "Containers as a Service" category, while Rancher is grouped under "Container Tools".
Some of the features offered by Docker Cloud are:
- Simplify Docker Provisioning
- Deploy Apps Anywhere
- Automate Your Developer Workflows
On the other hand, Rancher provides the following key features:
- Manage Hosts, Deploy Containers, Monitor Resources
- User Management & Collaboration
- Native Docker APIs & Tools
"Easy to use" is the primary reason why developers consider Docker Cloud over the competitors, whereas "Easy to use" was stated as the key factor in picking Rancher.
Rancher is an open source tool with 11.8K GitHub stars and 1.31K GitHub forks. Here's a link to Rancher's open source repository on GitHub.
Packet, Redox Engine, and VCCloud are some of the popular companies that use Rancher, whereas Docker Cloud is used by DNT, Firecracker, and MetricAid. Rancher has a broader approval, being mentioned in 88 company stacks & 35 developers stacks; compared to Docker Cloud, which is listed in 21 company stacks and 6 developer stacks.
What is Docker Cloud?
What is Rancher?
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What are the cons of using Docker Cloud?
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- Consume too much unnecessary resource by just running rancher agent alone;
- Hard to recover from system failure
- Bad performance of load balancing (compare to dokcer swarm built-in LB or others).
The whole infrastructure is managed through Rancher. It provides a simple interface to all the underlying tools - Docker, HAProxy (automatically configures load balancer from the containers).
We decided to leverage Docker Cloud for our public facing APIs. This allows us to cleanly scale our nodes & containers without being vendor locked to a specific PaaS.
We use Docker Cloud to manage all of our application deployments in an automated, repeatable and consistent fashion.
Currently looking to move to Swarm or Kubernetes due to a few issues I have with Rancher.
Orchestration of containers for our environments. Remote deployment from Jenkins.
We use Rancher for container orchestration and automated deployment pipelines.