Docker Swarm vs Flocker vs Rancher

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Docker Swarm
Docker Swarm

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What is Docker Swarm?

Swarm serves the standard Docker API, so any tool which already communicates with a Docker daemon can use Swarm to transparently scale to multiple hosts: Dokku, Compose, Krane, Deis, DockerUI, Shipyard, Drone, Jenkins... and, of course, the Docker client itself.

What is Flocker?

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.

What is Rancher?

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.
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Why do developers choose Docker Swarm?
Why do developers choose Flocker?
Why do developers choose Rancher?

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    What tools integrate with Docker Swarm?
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    What are some alternatives to Docker Swarm, Flocker, and Rancher?
    Docker Compose
    With Compose, you define a multi-container application in a single file, then spin your application up in a single command which does everything that needs to be done to get it running.
    Ansible is an IT automation tool. It can configure systems, deploy software, and orchestrate more advanced IT tasks such as continuous deployments or zero downtime rolling updates. Ansible’s goals are foremost those of simplicity and maximum ease of use.
    Apache Mesos
    Apache Mesos is a cluster manager that simplifies the complexity of running applications on a shared pool of servers.
    It is designed for security, consistency, and reliability. Instead of installing packages via yum or apt, it uses Linux containers to manage your services at a higher level of abstraction. A single service's code and all dependencies are packaged within a container that can be run on one or many machines.
    Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions.
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    Decisions about Docker Swarm, Flocker, and Rancher
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    Interest over time
    Reviews of Docker Swarm, Flocker, and Rancher
    Avatar of gonuts
    Michigan Technological University
    Review ofRancherRancher
    1. Consume too much unnecessary resource by just running rancher agent alone;
    2. Hard to recover from system failure
    3. Bad performance of load balancing (compare to dokcer swarm built-in LB or others).
    How developers use Docker Swarm, Flocker, and Rancher
    Avatar of etlweather
    etlweather uses RancherRancher

    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).

    Avatar of sapslaj
    sapslaj uses RancherRancher

    Currently looking to move to Swarm or Kubernetes due to a few issues I have with Rancher.

    Avatar of uses RancherRancher

    We use Rancher for container orchestration and automated deployment pipelines.

    Avatar of Dave Woolfenden
    Dave Woolfenden uses RancherRancher

    Enterprise-grade Kubernetes Distribution

    Avatar of Shiqiang Yu
    Shiqiang Yu uses RancherRancher

    Pull from CI/CD for live demo

    How much does Docker Swarm cost?
    How much does Flocker cost?
    How much does Rancher cost?
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