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Capsule vs Docker: What are the differences?

## Key Differences between Capsule and Docker

Capsule and Docker are both containerization platforms; however, they have distinct differences that cater to different user needs. Here are key differences between Capsule and Docker:

1. **Architecture**:
    Capsule uses the concept of "Capsule" as its unit of encapsulation, allowing users to package applications and their dependencies in a single entity. On the other hand, Docker utilizes containers as the unit of deployment, which includes the application and all its dependencies.

2. **Isolation**:
    In Capsule, containers are isolated inside Capsules, providing an additional layer of separation between applications. Docker, on the other hand, uses containerization to achieve isolation, ensuring that each container runs in its own isolated environment.

3. **Portability**:
    Capsule focuses on portability by making it easy to move Capsules across different infrastructures and environments. Docker also emphasizes portability, allowing containers to run consistently on any Linux machine.

4. **Management**:
    Capsule streamlines management by simplifying the process of packaging and deploying applications into Capsules. Docker provides a more robust management system with features like Docker Swarm for orchestrating multiple containers.

5. **User Interface**:
    Capsule offers a straightforward user interface that is easy to use, especially for beginners. Docker provides a more comprehensive user interface with detailed controls and settings for advanced users.

6. **Community Support**:
    The community support for Capsule is still growing, with a focus on expanding its user base and improving documentation. Docker, being more established, has a large and active community that provides extensive resources, support, and add-ons.

In Summary, Capsule and Docker have key differences in architecture, isolation, portability, management, user interface, and community support, catering to different user needs in the realm of containerization platforms.

Decisions about Capsule and Docker
Florian Sager
IT DevOp at Agitos GmbH · | 3 upvotes · 424.8K views

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 Capsule
Pros of Docker
    Be the first to leave a pro
    • 823
      Rapid integration and build up
    • 691
    • 521
      Open source
    • 505
      Testa­bil­i­ty and re­pro­ducibil­i­ty
    • 460
    • 218
    • 185
    • 106
      Upgrading / down­grad­ing / ap­pli­ca­tion versions
    • 88
    • 85
      Private paas environments
    • 34
    • 26
      Limit resource usage
    • 17
      Game changer
    • 16
      I love the way docker has changed virtualization
    • 14
    • 12
    • 8
      Docker's Compose tools
    • 6
      Easy setup
    • 6
      Fast and Portable
    • 5
      Because its fun
    • 4
      Makes shipping to production very simple
    • 3
      Highly useful
    • 3
      It's dope
    • 2
      Very easy to setup integrate and build
    • 2
      HIgh Throughput
    • 2
      Package the environment with the application
    • 2
      Does a nice job hogging memory
    • 2
      Open source and highly configurable
    • 2
      Simplicity, isolation, resource effective
    • 2
      MacOS support FAKE
    • 2
      Its cool
    • 2
      Docker hub for the FTW
    • 2
    • 0

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    Cons of Capsule
    Cons of Docker
      Be the first to leave a con
      • 8
        New versions == broken features
      • 6
        Unreliable networking
      • 6
        Documentation not always in sync
      • 4
        Moves quickly
      • 3
        Not Secure

      Sign up to add or upvote consMake informed product decisions

      - No public GitHub repository available -

      What is Capsule?

      Packages any JVM application, no matter how complex, as a single, plain executable JAR. A capsule may directly contain all of the application’s dependencies or simply declare some or all of them, to be downloaded when launched.

      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

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      What companies use Capsule?
      What companies use Docker?
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        What tools integrate with Docker?

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        Blog Posts

        Jul 9 2019 at 7:22PM

        Blue Medora

        DockerPostgreSQLNew Relic+8
        DockerAmazon EC2Scala+8
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        Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
        GitHub is the best place to share code with friends, co-workers, classmates, and complete strangers. Over three million people use GitHub to build amazing things together.
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