Install Docker, Kubectl and Helm

Set up Docker’s apt repository.

# Add Docker's official GPG key:
sudo apt-get update
sudo apt-get install ca-certificates curl
sudo install -m 0755 -d /etc/apt/keyrings
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc

# Add the repository to Apt sources:
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt-get update

Install the Docker packages.

sudo apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

Grant user permissions

sudo usermod -aG docker $USER
newgrp docker

Installing Kubectl

Get installer

curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"

Install Kubectl

chmod +x kubectl && \
sudo mv ./kubectl /usr/bin/kubectl

Generate kubeconfig in master node

sudo microk8s kubectl config view --raw > $HOME/.kube/config

Copying kubeconfig to local machine

scp christopher@master:~/.kube/config ~/.kube/config
sed -ie "s/127.0.0.1/SERVER_IP_ADDRESS/g" ~/.kube/config

Set permissions for k8s config file

chmod go-r ~/.kube/config

Installing Helm

curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 && \
chmod 700 get_helm.sh && \
./get_helm.sh