chenjr0719 / Docker-in-docker

Using Docker in docker container

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

Related projects

• dind
• Official docker image