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Docker

115.7K
92.1K
+ 1
3.8K
Red Hat OpenShift

1.2K
1.2K
+ 1
480
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Docker vs OpenShift: What are the differences?

Developers describe Docker as "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. On the other hand, OpenShift is detailed as "Red Hat's free Platform as a Service (PaaS) for hosting Java, PHP, Ruby, Python, Node.js, and Perl apps". OpenShift is Red Hat's Cloud Computing Platform as a Service (PaaS) offering. OpenShift is an application platform in the cloud where application developers and teams can build, test, deploy, and run their applications.

Docker belongs to "Virtual Machine Platforms & Containers" category of the tech stack, while OpenShift can be primarily classified under "Platform as a Service".

Some of the features offered by Docker are:

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

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

  • Built-in support for Node.js, Ruby, Python, PHP, Perl, and Java (the standard in today's Enterprise)
  • OpenShift is extensible with a customizable cartridge functionality that allows developers to add any other language they wish. We've seen everything from Clojure to Cobol running on OpenShift.
  • OpenShift supports frameworks ranging from Spring, to Rails, to Play

"Rapid integration and build up" is the top reason why over 816 developers like Docker, while over 95 developers mention "Good free plan" as the leading cause for choosing OpenShift.

Docker and OpenShift are both open source tools. Docker with 54K GitHub stars and 15.6K forks on GitHub appears to be more popular than OpenShift with 915 GitHub stars and 563 GitHub forks.

Spotify, Pinterest, and Twitter are some of the popular companies that use Docker, whereas OpenShift is used by Accenture, Vungle, and Hazeorid. Docker has a broader approval, being mentioned in 3527 company stacks & 3449 developers stacks; compared to OpenShift, which is listed in 50 company stacks and 52 developer stacks.

Decisions about Docker and Red Hat OpenShift
Florian Sager
IT DevOp at Agitos GmbH · | 2 upvotes · 213.1K 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 Red Hat OpenShift
  • 821
    Rapid integration and build up
  • 688
    Isolation
  • 517
    Open source
  • 505
    Testa­bil­i­ty and re­pro­ducibil­i­ty
  • 459
    Lightweight
  • 217
    Standardization
  • 182
    Scalable
  • 105
    Upgrading / down­grad­ing / ap­pli­ca­tion versions
  • 86
    Security
  • 84
    Private paas environments
  • 33
    Portability
  • 25
    Limit resource usage
  • 15
    I love the way docker has changed virtualization
  • 15
    Game changer
  • 12
    Fast
  • 11
    Concurrency
  • 7
    Docker's Compose tools
  • 4
    Fast and Portable
  • 4
    Easy setup
  • 4
    Because its fun
  • 3
    Makes shipping to production very simple
  • 2
    It's dope
  • 1
    Highly useful
  • 1
    MacOS support FAKE
  • 1
    Its cool
  • 1
    Docker hub for the FTW
  • 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
  • 97
    Good free plan
  • 61
    Open Source
  • 45
    Easy setup
  • 41
    Nodejs support
  • 39
    Well documented
  • 31
    Custom domains
  • 27
    Mongodb support
  • 26
    Clean and simple architecture
  • 24
    PHP support
  • 20
    Customizable environments
  • 10
    Ability to run CRON jobs
  • 8
    Easier than Heroku for a WordPress blog
  • 6
    PostgreSQL support
  • 6
    Autoscaling
  • 6
    Easy deployment
  • 6
    Good balance between Heroku and AWS for flexibility
  • 5
    Free, Easy Setup, Lot of Gear or D.I.Y Gear
  • 4
    Shell access to gears
  • 3
    Great Support
  • 2
    Overly complicated and over engineered in majority of e
  • 2
    Golang support
  • 2
    Its free and offer custom domain usage
  • 1
    Meteor support
  • 1
    Easy setup and great customer support
  • 1
    High Security
  • 1
    No credit card needed
  • 1
    because it is easy to manage
  • 1
    Logging & Metrics
  • 1
    Autoscaling at a good price point
  • 1
    Great free plan with excellent support
  • 1
    This is the only free one among the three as of today

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Cons of Docker
Cons of Red Hat OpenShift
  • 7
    New versions == broken features
  • 5
    Documentation not always in sync
  • 5
    Unreliable networking
  • 3
    Moves quickly
  • 2
    Not Secure
  • 2
    Decisions are made for you, limiting your options
  • 2
    License cost
  • 1
    Behind, sometimes severely, the upstreams

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What is Docker?

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 Red Hat OpenShift?

OpenShift is Red Hat's Cloud Computing Platform as a Service (PaaS) offering. OpenShift is an application platform in the cloud where application developers and teams can build, test, deploy, and run their applications.

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What are some alternatives to Docker and Red Hat OpenShift?
LXC
LXC is a userspace interface for the Linux kernel containment features. Through a powerful API and simple tools, it lets Linux users easily create and manage system or application containers.
rkt
Rocket is a cli for running App Containers. The goal of rocket is to be composable, secure, and fast.
Kubernetes
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.
Cloud Foundry
Cloud Foundry is an open platform as a service (PaaS) that provides a choice of clouds, developer frameworks, and application services. Cloud Foundry makes it faster and easier to build, test, deploy, and scale applications.
Vagrant
Vagrant provides the framework and configuration format to create and manage complete portable development environments. These development environments can live on your computer or in the cloud, and are portable between Windows, Mac OS X, and Linux.
See all alternatives