Docker vs. Vagrant: Which virtual system is better?


When it comes to a virtual system, developers want one that’s able to assist their needs the most. Find out which one is better for you in today’s Docker vs Vagrant guide.

What is Docker?

Docker is a tool that’s made to deploy, run, and create applications via containers. Containers help developers package up the application with its necessary parts that it needs such as libraries and deliver it to other users in one package.

By doing this, the developer can run their applications on any Linux machine no matter how customized the user’s setters are. In one way, Docker is similar to virtual machines, but it doesn’t need to make a virtual operating system to work. It allows applications to use only one Linux kernel on their system and requires an application to be shipped with items no held on the host computer.

As a result, Docker reduces application sizes and gives a large performance boost. And, Docker is an open-source application. Anyone can extend its framework to support their needs if they need extra features that aren’t available. This makes it easier for developers to contribute to the system and create updates as needed.

What is Vagrant?

In a nutshell, Vagrant is used to create virtual environments; this means that they can work alongside virtual machines. The coding language gives an easy to use and simple command-line client to help users manage this environment, and it has an interpreter for each text-based definition of each virtual environment looks like. Like Docker, Vagrant is open-sourced, meaning that you can modify, share, and download it freely.

While most virtual machines have a command-line interface developed specifically for them, Vagrant adds a layer of simplicity, ease of usage across systems, and a better approach on what could be used on any virtual environment operating on top of any system.

By creating a text-based format that works with a virtual machine, the environment can be defined via code which makes it easier to share, back up, manage, and modify via revision control. Alos, you can share a small text file that’s a few.

What are the differences?

This docker vs vagrant table shows the main differences between both virtual systems:

Docker Vagrant
Virtualization Type: Linux Container Virtual Machine
Startup Time: Seconds Minutes
Size: 200 MB+ 1 GB +
Sharing Type: Docker Hub Vagrant Cloud

For people that want to collaborate with other users, Docker is the better option. It allows you to store your data in smaller packages making it easier to transfer to other developers. Once you made the Docker virtual image, anyone can go into your repository and use the file for their own projects.

But, if you want a virtual machine that has an easier setup and is better for beginners. In fact, Vagrant can be used on any OS (PC, Linux, Mac) in order to start deploying your applications quickly and efficiently. So, use Vagrant if you aren’t worried about collaboration, start-up times, and have enough RAM in your computer to create these virtual machine systems.


In the Docker vs Vagrant debate, both systems are great for users trying to create applications in a system that won’t harm their computer if they fail. If you’re a Linux aficionado, use Docker. Otherwise, Vagrant’s features will help you create a deployable app whose containers are together. Overall, you can use both systems to help utilize your apps and increase their performance.

Last Updated on April 21, 2020.


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