boot2docker vs Vagrant: What are the differences?
Developers describe boot2docker as "Lightweight Linux for Docker". boot2docker is a lightweight Linux distribution based on Tiny Core Linux made specifically to run Docker containers. It runs completely from RAM, weighs ~27MB and boots in ~5s (YMMV). On the other hand, Vagrant is detailed as "A tool for building and distributing development environments". 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.
boot2docker and Vagrant can be categorized as "Virtual Machine Management" tools.
Some of the features offered by boot2docker are:
- Kernel 3.14.1 with AUFS, Docker 0.10.1, LXC 0.8.0
- Container persistence via disk automount on /var/lib/docker
- SSH keys persistence via disk automount
On the other hand, Vagrant provides the following key features:
- Up And SSH
- Synced Folders
"Lightweight" is the primary reason why developers consider boot2docker over the competitors, whereas "Development environments" was stated as the key factor in picking Vagrant.
boot2docker and Vagrant are both open source tools. Vagrant with 18.6K GitHub stars and 3.74K forks on GitHub appears to be more popular than boot2docker with 7.99K GitHub stars and 1.14K GitHub forks.
According to the StackShare community, Vagrant has a broader approval, being mentioned in 802 company stacks & 478 developers stacks; compared to boot2docker, which is listed in 70 company stacks and 30 developer stacks.
What is boot2docker?
What is Vagrant?
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"The best way to ensure that local testing was possible was to normalize people’s dev environments. For this we chose Vagrant. This, combined with Chef, allows us to do our local dev in sandboxed Linux instances running locally via VirtualBox in a configuration as similar to production as possible. In addition to making dev environment setup much easier than it used to be, this ensures that each engineer has a consistent environment that is ready to run tests out of the box. The user SSHs into the local linux server and runs spec commands like they would on their host OS, and generally everything Just Works. Most people on our team combine this with Zeus, which allows the Rails environment to be preloaded for lightning fast (relatively speaking) test runs. Both Vagrant and Zeus have their share of issues, but in practice we’ve found them to be a huge time saver."
Not blazing fast but we pick Vagrant for all our projects because the console mode without gui leads to a low consumption of ram memory making it the best way for DevOps ready environment requiring less configuration.
Vagrant allows me to ensure that anyone I'm collaborating with will be able to test my web application in the same environment. I also use Vagrant to setup VMs that I can use to refine my Capistrano recipes.
We use Virtualbox in combination with Vagrant during development to ensure a consistent test/development environment. This helps to reduce the number of defects when our software goes to production.
Building development environments that closely match real world web environments, enabling more rapid and accurate testing and development.