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Docker

155.9K
120.9K
+ 1
3.8K
Salt

416
430
+ 1
165
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Docker vs Salt: What are the differences?

Docker: 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; Salt: Fast, scalable and flexible software for data center automation. Salt is a new approach to infrastructure management. Easy enough to get running in minutes, scalable enough to manage tens of thousands of servers, and fast enough to communicate with them in seconds Salt delivers a dynamic communication bus for infrastructures that can be used for orchestration, remote execution, configuration management and much more..

Docker and Salt are primarily classified as "Virtual Machine Platforms & Containers" and "Server Configuration and Automation" tools respectively.

Some of the features offered by Docker are:

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

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

  • Remote execution is the core function of Salt. Running pre-defined or arbitrary commands on remote hosts.
  • Salt modules are the core of remote execution. They provide functionality such as installing packages, restarting a service, running a remote command, transferring files, and infinitely more
  • Building on the remote execution core is a robust and flexible configuration management framework. Execution happens on the minions allowing effortless, simultaneous configuration of tens of thousands of hosts.

"Rapid integration and build up" is the primary reason why developers consider Docker over the competitors, whereas "Flexible" was stated as the key factor in picking Salt.

Docker and Salt are both open source tools. Docker with 54K GitHub stars and 15.6K forks on GitHub appears to be more popular than Salt with 10.1K GitHub stars and 4.59K GitHub forks.

According to the StackShare community, Docker has a broader approval, being mentioned in 3525 company stacks & 3445 developers stacks; compared to Salt, which is listed in 110 company stacks and 20 developer stacks.

Decisions about Docker and Salt
Florian Sager
IT DevOp at Agitos GmbH · | 2 upvotes · 321K 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 Salt
  • 824
    Rapid integration and build up
  • 690
    Isolation
  • 520
    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
    HIgh Throughput
  • 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
    Super
  • 47
    Flexible
  • 30
    Easy
  • 27
    Remote execution
  • 24
    Enormously flexible
  • 12
    Great plugin API
  • 10
    Python
  • 5
    Extensible
  • 3
    Scalable
  • 2
    nginx
  • 1
    Vagrant provisioner
  • 1
    HipChat
  • 1
    Best IaaC
  • 1
    Automatisation
  • 1
    Parallel Execution

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Cons of Docker
Cons of Salt
  • 8
    New versions == broken features
  • 6
    Unreliable networking
  • 6
    Documentation not always in sync
  • 4
    Moves quickly
  • 3
    Not Secure
  • 1
    Bloated
  • 1
    Dangerous
  • 1
    No immutable infrastructure

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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 Salt?

Salt is a new approach to infrastructure management. Easy enough to get running in minutes, scalable enough to manage tens of thousands of servers, and fast enough to communicate with them in seconds. Salt delivers a dynamic communication bus for infrastructures that can be used for orchestration, remote execution, configuration management and much more.

Need advice about which tool to choose?Ask the StackShare community!

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What are some alternatives to Docker and Salt?
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