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Decisions about containerd, Docker, and rkt
Florian Sager
IT DevOp at Agitos GmbH · | 2 upvotes · 336.4K 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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Learn MorePros of containerd
Pros of Docker
Pros of rkt
Pros of containerd
- Supports Kubernetes version greater than 1.212
- No Need for docker shim2
- Needs docker shim to work on kubernetes0
- No kubernetes support after 1.220
Pros of Docker
- Rapid integration and build up824
- Isolation690
- Open source520
- Testability and reproducibility505
- Lightweight459
- Standardization217
- Scalable184
- Upgrading / downgrading / application versions105
- Security87
- Private paas environments84
- Portability33
- Limit resource usage25
- Game changer16
- I love the way docker has changed virtualization15
- Fast13
- Concurrency11
- Docker's Compose tools7
- Easy setup5
- Fast and Portable5
- Because its fun4
- Makes shipping to production very simple3
- It's dope2
- Highly useful2
- HIgh Throughput1
- Very easy to setup integrate and build1
- Package the environment with the application1
- Does a nice job hogging memory1
- Open source and highly configurable1
- Simplicity, isolation, resource effective1
- MacOS support FAKE1
- Its cool1
- Docker hub for the FTW1
- Super1
Pros of rkt
- Security5
- Robust container portability3
- Composable containers2
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Cons of containerd
Cons of Docker
Cons of rkt
Cons of containerd
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Cons of Docker
- New versions == broken features8
- Unreliable networking6
- Documentation not always in sync6
- Moves quickly4
- Not Secure3
Cons of rkt
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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 tools integrate with containerd?
What tools integrate with Docker?
What tools integrate with rkt?
What tools integrate with containerd?
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.
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.
Spring Cloud
It provides tools for developers to quickly build some of the common patterns in distributed systems.