Update Vagrantfile with docker install

README.md

@@ -7,7 +7,7 @@ This is not exclusive guide to learn Kubernetes from scratch, rahter this is jus
 ## This post talks about:
 1. [**Setting up Kubernetes cluster in VM**](#Setting-up-Kubernetes-cluster-in-VM) : 1 VM cluster
  - Spining up a virtual machine with [**Vagrant**](https://www.vagrantup.com/docs/installation) : 2GB RAM + 2CPU cores(Atleat)
- - [Understanding](#What-are-kube*):
+ - [Understanding](#What-are-kube):
  - **kubeadm**
  - **kubelet**
  - **kubectl**

Vagrantfile

@@ -17,6 +17,31 @@ Vagrant.configure("2") do |config|
  # Setting up Kubernetes
 
  config.vm.provision "shell", inline: <<-SHELL
+ sudo apt-get install \
+ apt-transport-https \
+ ca-certificates \
+ curl \
+ gnupg-agent \
+ software-properties-common
+ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
+ sudo add-apt-repository \
+ "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
+ $(lsb_release -cs) \
+ stable"
+ sudo apt-get install docker-ce docker-ce-cli containerd.io
+
+ # Verification
+ docker --version
+ # Version 19.03
+ systemctl status docker
+ # Ensure that the status is "active (running)"
+ # You may have to press q to quit
+
+ systemctl stop docker
+ systemctl start docker
+ systemctl restart docker
+
+ # Install Kubernetes
  curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
  echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" > /etc/apt/sources.list.d/kubernetes.list
  sudo apt-get update