Strengths and Weaknesses


  • No dependency of a daemon
  • Can be run as a simple user
    • Avoid permission headaches and hacks
  • Image/container is a file (or directory)
  • More easily portable
  • Two type of images
    • Read-only (production)
    • Writable (development, via sandbox)


  • At the time of writing only good support in Linux
    • Mac experimental. Desktop edition. Only running
  • For some features you need root account (or sudo)