How it works

Docker Sandoxing


Docker as lightweight VM 

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© 2020, Nestybox, Inc.


A container runtime that integrates with Docker and enables you to easily deploy containers that can run system workloads, securely.
We call these System Containers.


  • Run Docker-in-Docker, securely
  • Run Docker Compose in a container
  • Run Systemd-reliant apps in a container 
  • Use Docker containers as light-weight VMs
  • Avoid the need for unsecure privileged containers

No need to learn new tools! Use Docker as usual.


  • Installs on Linux in seconds
  • Enables Docker containers to run system workloads
  • Uses state-of-the-art container isolation 
  • Supports embedding inner containers in Docker images
  • Fast & efficient

How does it work?


Simply point Docker to the Sysbox runtime.

Then use Docker as usual to deploy a container image of your choice.

The difference is that the deployed container can now run systemd, Docker, and inner containers, securely and with strong isolation from the underlying host. 

You avoid the need for unsecure privileged containers or a heavier virtual machine. 

Run system containers along-side regular containers, without conflict.