containerd vs Docker vs rkt

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containerd

62
116
+ 1
4
Docker

131.6K
104.7K
+ 1
3.8K
rkt

29
108
+ 1
10
Decisions about containerd, Docker, and rkt
Florian Sager
IT DevOp at Agitos GmbH · | 2 upvotes · 258.4K 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 containerd
Pros of Docker
Pros of rkt
  • 2
    Supports Kubernetes version greater than 1.21
  • 2
    No Need for docker shim
  • 0
    Needs docker shim to work on kubernetes
  • 0
    No kubernetes support after 1.22
  • 823
    Rapid integration and build up
  • 688
    Isolation
  • 518
    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
    Easy setup
  • 5
    Fast and Portable
  • 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
  • 5
    Security
  • 3
    Robust container portability
  • 2
    Composable containers

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Cons of containerd
Cons of Docker
Cons of rkt
    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
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      What is containerd?

      An industry-standard container runtime with an emphasis on simplicity, robustness, and portability

      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 rkt?

      Rocket is a cli for running App Containers. The goal of rocket is to be composable, secure, and fast.

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      What companies use containerd?
      What companies use Docker?
      What companies use rkt?

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      What tools integrate with containerd?
      What tools integrate with Docker?
      What tools integrate with rkt?
        No integrations found

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        What are some alternatives to containerd, Docker, and rkt?
        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.
        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.
        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.
        Helm
        Helm is the best way to find, share, and use software built for Kubernetes.
        Spring Cloud
        It provides tools for developers to quickly build some of the common patterns in distributed systems.
        See all alternatives