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Docker

151.6K
117.6K
+ 1
3.8K
Rancher

879
1.4K
+ 1
644
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Docker vs Rancher: What are the differences?

What is Docker? Enterprise Container Platform for High-Velocity Innovation. The Docker Platform is the industry-leading container platform for continuous, high-velocity innovation, enabling organizations to seamlessly build and share any application — from legacy to what comes next — and securely run them anywhere.

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 can be classified as a tool in the "Virtual Machine Platforms & Containers" category, while Rancher is grouped under "Container Tools".

Some of the features offered by Docker are:

  • Integrated developer tools
  • open, portable images
  • shareable, reusable apps

On the other hand, Rancher provides the following key features:

  • Manage Hosts, Deploy Containers, Monitor Resources
  • User Management & Collaboration
  • Native Docker APIs & Tools

"Rapid integration and build up", "Isolation" and "Open source" are the key factors why developers consider Docker; whereas "Easy to use", "Open source and totally free" and "Multi-host docker-compose support" are the primary reasons why Rancher is favored.

Docker and Rancher are both open source tools. Docker with 53.8K GitHub stars and 15.5K forks on GitHub appears to be more popular than Rancher with 11.8K GitHub stars and 1.31K GitHub forks.

According to the StackShare community, Docker has a broader approval, being mentioned in 3471 company stacks & 3322 developers stacks; compared to Rancher, which is listed in 88 company stacks and 35 developer stacks.

Decisions about Docker and Rancher
Florian Sager
IT DevOp at Agitos GmbH · | 2 upvotes · 305.7K views
Chose
LXDLXD
over
DockerDocker

lxd/lxc and Docker aren't congruent so this comparison needs a more detailed look; but in short I can say: the lxd-integrated administration of storage including zfs with its snapshot capabilities as well as the system container (multi-process) approach of lxc vs. the limited single-process container approach of Docker is the main reason I chose lxd over Docker.

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Pros of Docker
Pros of Rancher
  • 824
    Rapid integration and build up
  • 690
    Isolation
  • 520
    Open source
  • 505
    Testa­bil­i­ty and re­pro­ducibil­i­ty
  • 459
    Lightweight
  • 217
    Standardization
  • 184
    Scalable
  • 105
    Upgrading / down­grad­ing / ap­pli­ca­tion versions
  • 87
    Security
  • 84
    Private paas environments
  • 33
    Portability
  • 25
    Limit resource usage
  • 16
    Game changer
  • 15
    I love the way docker has changed virtualization
  • 13
    Fast
  • 11
    Concurrency
  • 7
    Docker's Compose tools
  • 5
    Fast and Portable
  • 5
    Easy setup
  • 4
    Because its fun
  • 3
    Makes shipping to production very simple
  • 2
    It's dope
  • 2
    Highly useful
  • 1
    Very easy to setup integrate and build
  • 1
    Package the environment with the application
  • 1
    Does a nice job hogging memory
  • 1
    Open source and highly configurable
  • 1
    Simplicity, isolation, resource effective
  • 1
    MacOS support FAKE
  • 1
    Its cool
  • 1
    Docker hub for the FTW
  • 1
    HIgh Throughput
  • 103
    Easy to use
  • 79
    Open source and totally free
  • 63
    Multi-host docker-compose support
  • 58
    Load balancing and health check included
  • 58
    Simple
  • 44
    Rolling upgrades, green/blue upgrades feature
  • 42
    Dns and service discovery out-of-the-box
  • 37
    Only requires docker
  • 34
    Multitenant and permission management
  • 29
    Easy to use and feature rich
  • 11
    Cross cloud compatible
  • 11
    Does everything needed for a docker infrastructure
  • 8
    Simple and powerful
  • 8
    Next-gen platform
  • 7
    Very Docker-friendly
  • 6
    Support Kubernetes and Swarm
  • 6
    Application catalogs with stack templates (wizards)
  • 6
    Supports Apache Mesos, Docker Swarm, and Kubernetes
  • 6
    Rolling and blue/green upgrades deployments
  • 6
    High Availability service: keeps your app up 24/7
  • 5
    Easy to use service catalog
  • 4
    Very intuitive UI
  • 4
    IaaS-vendor independent, supports hybrid/multi-cloud
  • 4
    Awesome support
  • 3
    Scalable
  • 2
    Requires less infrastructure requirements

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Cons of Docker
Cons of Rancher
  • 8
    New versions == broken features
  • 6
    Unreliable networking
  • 6
    Documentation not always in sync
  • 4
    Moves quickly
  • 3
    Not Secure
  • 10
    Hosting Rancher can be complicated

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