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Decisions about Docker, LXC, and rkt
Florian Sager
IT DevOp at Agitos GmbH · | 2 upvotes · 338.1K 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 Docker
Pros of LXC
Pros of rkt
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 LXC
- Easy to use5
- Lightweight4
- Simple and powerful3
- Good security3
- LGPL2
- Reliable1
- Trusted1
Pros of rkt
- Security5
- Robust container portability3
- Composable containers2
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Cons of Docker
Cons of LXC
Cons of rkt
Cons of Docker
- New versions == broken features8
- Unreliable networking6
- Documentation not always in sync6
- Moves quickly4
- Not Secure3
Cons of LXC
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Cons of rkt
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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 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.
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 are some alternatives to Docker, LXC, 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.
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.
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.
VirtualBox
VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL) version 2.