/Docker-in-docker

Using Docker in docker container

Primary LanguageDockerfileMIT LicenseMIT

Docker-in-docker

Using Docker in docker container. This container can using the Docker daemon on the host to simulate the nested docker container.

How to use

  1. Run this cntainer. Rememver you must mount the docker daemon to this container

    docker run -it --name did -v /var/run/docker.sock:/var/run/docker.sock chenjr0719/did

  2. Use docker command

    docker ps
docker images

How it works

Its quiet simple, just using the docker CLI to access the Docker daemon socket on the host.

  1. Run a container with docker daemon

    docker run -it -v /var/run/docker.sock:/var/run/docker.sock ubuntu:18.04 bash

  2. Add Docker repository

    apt-get update
apt-get install -y \
    apt-transport-https \
    ca-certificates \
    curl \
    software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
apt-key fingerprint 0EBFCD88
add-apt-repository \
"deb [arch=amd64] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) \
stable"

  3. Install Docker CLI in container

    apt-get update
apt-get install -y docker-ce-cli

  4. Using Docker in container

    docker ps
docker images

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