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docker-kube-sandbox

Docker in Docker image with shellinabox, kubectl and git based on docker image https://cloud.docker.com/repository/docker/mchebitou/docker-kube-sandbox

Why?

Recently I had to build a lab for initiating new users to the use of Docker and Kubernetes, I needed a quick way to give those users access to a ready to use environment with all the necessary tools and enough security to make sure they don't break anything. To make this image I took fhuegli/docker-shellinabox, rebased it on Docker official image and adapted it to suit my need.

Install on Kubernetes

$ kubectl apply -f kubernetes/configmap.yaml
$ kubectl apply -f kubernetes/secret
$ kubectl apply -f kubernetes/deployment.yaml
$ kubectl apply -f kubernetes/service.yaml

Default credentials to be used for login are :

username: docker
password: secret

Configuration

Available Environment Variables

  • SIAB_USERCSS: String of configured and enabled css extensions. Defaults to system default list.
  • SIAB_PORT The port where shellinabox should listen to. Defaults to 4200.
  • SIAB_ADDUSER Whether to create a default user. Defaults to true.
  • SIAB_USER The name of the user. Defaults to guest.
  • SIAB_USERID The numeric ID of the user. Defaults to 1000.
  • SIAB_GROUP The primary group of the user. Defaults to guest.
  • SIAB_GROUPID The numeric ID of the primary group of the user. Defaults to 1000.
  • SIAB_PASSWORD The password of the user. Defaults to an autogenerated password, printed out on stdout.
  • SIAB_SHELL The shell of the user. Defaults to /bin/bash.
  • SIAB_HOME The home directory of the user. Defaults to /home/guest.
  • SIAB_SSL Whether to enable ssl and create certificates on request. Defaults to true.
  • SIAB_SERVICE Service strings to use for shellinabox, separated by whitespace. Defaults to local logins /:LOGIN.
  • SIAB_PKGS Packages to be installed before shellinabox starts. Defaults to none.
  • SIAB_SCRIPT Script to download and run before shellinabox start. SSL verification is disabled. Defaults to none.