Docker-out-of-Docker (DooD)

Docker-out-of-Docker (DooD)

Using the existing Docker daemon

How it works

• Containerized Docker CLI
• Mapped Docker socket

Disadvantages

• Conflicts with other containers
• Interferes with the host

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Demo: Docker-out-of-Docker (DooD)

Mapping the daemon socket:

docker run -it --rm \
  --volume /var/run/docker.sock:/var/run/docker.sock \
  docker:18.09 \
  docker version