Vagrant vs Docker: Which Is Proper for You? (May just Be Each)

by | Jan 25, 2023 | Etcetera | 0 comments

DevOps teams are under increasing energy to send greater capacity to customers in short. Cloud providers offer a solution via scalable platforms with excellent CLI and API integrations. Unfortunately, the interfaces exposed via cloud providers can be incompatible. Then again some cloud-native equipment be in agreement DevOps teams assemble custom designed solutions for any cloud provider.

Two such equipment are Vagrant and Docker. Understanding what they do and the way in which they artwork together is very important to getting necessarily essentially the most out of your cloud environment.

Vagrant is a tool for building and managing virtual system (VM) environments in a single workflow. Whether or not or no longer you’re building local VMs to run with hypervisors or just cloud VMs, Vagrant provides a relentless configuration construction, single CLI, and shared provisioners to position in instrument and alter configurations.

Docker provides the power to package deal deal instrument and supporting configuration into photos which could be run repeatedly during multiple platforms. Docker allows DevOps teams to consider that instrument will run on a local workstation in so much the equivalent means it runs on a managed cloud platform.

Although Vagrant and Docker percentage the target of creating repeatable environments, they achieve this in numerous however complementary ways. This text explores how Vagrant and Docker be triumphant of their goals.

What Is Docker?

Docker is an open platform for rising, supply, and running programs. It allows DevOps teams to package deal deal custom designed instrument, supporting programs, and libraries, along with instructions for configuration, networking, file mounts, smartly being checks, and liberate scripts proper right into a self-contained artifact known as an image.

Images are then achieved in a lightweight, isolated environment known as a container. No longer like VMs, which maximum ceaselessly reserve fixed amounts of memory and strictly limit CPU usage, containers are much more elastic and eat most simple the memory and CPU they would like.

This allows many containers to run side via side effectively, reducing costs and increasing scale. However, containers don’t appear to be considered as secure as VMs, this means that containers aren’t a super solution for running untrusted code.

Screenshot: Docker website — Vagrant vs Docker.

Why Use Docker (vs Vagrant)?

DevOps teams maximum ceaselessly use Docker to send and run internet packages, at the side of cloud-native programs that each mix with message queues or are hosted on function-as-a-service (FaaS) platforms responding to cloud-based triggers and events.

Platforms like Kubernetes assemble on Docker, allowing containers to be orchestrated at scale. In addition to, each cloud provider is helping the power to run Docker containers in their platform as a carrier (PaaS) possible choices. It’s now unusual to find a PaaS that doesn’t make stronger Docker.

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Docker can also distribute and execute CLI-based tooling, with all in taste cloud-native equipment offering Docker photos embedding their CLI.

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What Are the Benefits of Docker?

Docker solves a no longer peculiar issue faced via typical instrument deployment processes, where custom designed programs would possibly show off different results when run on a developer’s local workstation and in a producing environment. The ones permutations are often the result of developers running different permutations of programming languages, having different configurations for supporting programs like web servers, or running utterly different working systems than the producing environment. The ones permutations lead to make stronger issues bouncing from side to side between teams with comments like, “It actually works on my system.”

As Docker photos include the code for custom designed programs, all supporting programs, and libraries, the photographs execute in containers that provide further consistent results irrespective of where they’re run.

Docker photos are easy to distribute using registries like Docker Hub, allowing DevOps teams to percentage photos amongst themselves in short and deploy the photographs using the various internet internet hosting platforms. For instance, you’ll to seek out Docker at the back of Kinsta’s DevKinsta WordPress building suite.

Where further sophisticated tool stacks are required, like deploying a database alongside a backend tool, or a choice of equivalent microservices, Docker Compose provides the power to create and link multiple Docker containers with a single command. All containers, similar settings, and networking configurations are defined in a single YAML file. Docker Compose then reads this file to create and arrange multiple containers as a single unit.

Docker moreover enjoys near-universal make stronger round the principle cloud providers, this means that DevOps teams are spoiled for variety when executing their Docker photos inside the cloud.

What Is Vagrant?

For a few years, VMs have showed a reliable and secure solution for partitioning and provisioning computing resources. VMs keep the preferred products and services and merchandise exposed via cloud providers and a lot of business and open-source solutions for teams wish to run VMs on-premises.

However, this option poses an issue for DevOps teams. Every solution exposes a different CLI and API to create and arrange VMs, making it tough to maintain consistency between local building environments and cloud-based platforms.

Vagrant provides a solution via abstracting the underlying permutations between VM platforms, allowing DevOps teams to provision new VMs with a single CLI and loyal configuration syntax. Teams that adopt Vagrant can create consistent VMs irrespective of whether they’ll run on-premises or in a cloud environment and can merely switch between environments. Vagrant has a multitude of more than a few uses, at the side of as a MAMP substitute (macOS, Apache, MySQL/MariaDB, and PHP, Perl, or Python).

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Screenshot: Vagrant website — Vagrant vs Docker.

Why Use Vagrant (vs Docker)?

It’s conceivable but even so a VM and manually configure the working system via manually setting up instrument and adorning configuration knowledge. This isn’t superb, as the process isn’t repeatable, this means that VMs must be manually recreated for more than a few working systems and providers. It moreover makes it with regards to inconceivable to understand how a VM was once as soon as configured at a later date.

A better practice is to automate the process required to configure a virtual system. Vagrant provides a single tool for automating the process of creating VMs for a lot of providers. Vagrant moreover provides a large choice of high quality VMs on Vagrant Cloud that DevOps teams can use to begin their own VMs.

What Are the Benefits of Vagrant?

DevOps teams the use of Vagrant have a single tool to be informed irrespective of whether they’re building VMs for on-premises platforms, cloud platforms, or each and every. You’ll be capable to merely tweak Vagrant configuration knowledge and rerun or evaluation them at a later date to understand how a VM was once as soon as constructed.

Vagrant moreover allows DevOps teams to migrate to the cloud or between providers without redesigning the process they use to build VMs.

The VMs created via Vagrant provide a best level of isolation, often making the most of specialized virtualization make stronger built into stylish CPUs. This makes VMs, and tool that create them, like Vagrant, your best option where protection and isolation are a best priority.

Many Linux distributions, comparable to Ubuntu and Fedora, moreover provide skilled Vagrant containers on which DevOps teams can assemble. This reduces the time it takes to build custom designed VMs.

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Vagrant vs Docker: A Closer Look

Each and every Vagrant and Docker make DevOps teams further setting pleasant via automating the development, distributing, and running of instrument programs.

Docker achieves this function with a custom designed packaging construction inside of the kind of photos and a lightweight execution environment by the use of containers. Boxes execute repeatedly between platforms, giving DevOps teams greater self trust that their instrument works as expected. Docker is well supported via PaaS and FaaS cloud platforms, allowing DevOps teams to choose the most efficient platform for their needs.

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Many containers can co-exist on a single host, principally — then again not utterly — isolated from one every other while sharing the equivalent pool of resources. This allows containers to scale effectively.

Vagrant achieves this function via providing a relentless approach for organising VMs with present providers. It’s a super variety for teams that have already invested in VMs, relying on their best level of isolation, protection, control, and customization.

Docker moreover provides the most efficient solution when running trusted code while minimizing computing costs. Boxes are relatively isolated from one every other then again incur very little overhead. That suggests many containers can run similtaneously on a shared OS. VMs provide the very best solution when teams need best levels of isolation and protection or require the power to run many more than a few working systems side via side, with Vagrant providing a at hand solution for building VMs in an automated and repeatable means.

Vagrant and Docker don’t appear to be mutually distinctive technologies, and each and every equipment can be used side via side. For instance, DevOps teams would in all probability use Docker to extend and run programs while using Vagrant to recreate specialized environments to reproduce issues. Docker can be run inside of a VM created via Vagrant, possibly to test new permutations of Docker or to test tooling distributed as Docker photos in an isolated environment.


DevOps teams have many possible choices when building, distributing, and running programs.

Docker provides a custom designed image construction and container execution environment that allows large-scale and setting pleasant helpful useful resource usage and is supported during PaaS and FaaS platforms.

VMs offer secure and isolated execution environments from many cloud and on-premises VM providers, with Vagrant abstracting away many permutations to offer a single CLI and loyal configuration syntax to instantiate VMs during providers.

Forward of you get began rising your next app, take a look at how Kinsta’s Utility Webhosting provider can have the benefit of Dockerfiles to keep an eye on the deployment of your code.

The put up Vagrant vs Docker: Which Is Proper for You? (May just Be Each) appeared first on Kinsta®.

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