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REQUIREMENTS.md

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Kubernetes Cluster

You will need to create a Kubernetes cluster locally using minikube, microk8s, kind, k3s or other tools.

Or use Kubernetes cluster in EKS, GKE, AKS, DOKS or other cloud provider.

Install Docker-CE

Follow instructions of page for install Docker-CE.

Start the Docker service, configure Docker to boot up with the OS and add your user to the Docker group.

# Start the Docker service
sudo systemctl start docker

# Configure Docker to boot up with the OS
sudo systemctl enable docker

# Add your user to the Docker group
sudo usermod -aG docker $USER
sudo setfacl -m user:$USER:rw /var/run/docker.sock

Source: https://docs.docker.com/engine/install/linux-postinstall/#configure-docker-to-start-on-boot

Install Kubectl

Simple shell function for Kubectl installation in Linux 64 bits. Copy and paste this code:

sudo su

VERSION=v1.22.2
KUBECTL_BIN=kubectl

function install_kubectl {
if [ -z $(which $KUBECTL_BIN) ]; then
    curl -LO https://storage.googleapis.com/kubernetes-release/release/$VERSION/bin/linux/amd64/$KUBECTL_BIN
    chmod +x ${KUBECTL_BIN}
    sudo mv ${KUBECTL_BIN} /usr/local/bin/${KUBECTL_BIN}
    sudo ln -sf /usr/local/bin/${KUBECTL_BIN} /usr/bin/${KUBECTL_BIN}
else
    echo "Kubectl is most likely installed"
fi
}

install_kubectl

which kubectl

kubectl version --client

exit

Kubectl documentation:

https://kubernetes.io/docs/reference/kubectl/overview/

Credits: Juan Pablo Perez - https://www.linkedin.com/in/juanpabloperezpeelmicro/

https://github.com/peelmicro/learn-devops-the-complete-kubernetes-course

Helm Docs

Run the following commands to install helm-docs.

HELM_DOCS_VERSION=1.5.0
HELM_DOCS_PACKAGE=helm-docs_``$HELM_DOCS_VERSION``_linux_x86_64.tar.gz

cd /tmp

wget https://github.com/norwoodj/helm-docs/releases/download/v$HELM_DOCS_VERSION/$HELM_DOCS_PACKAGE

tar xzvf $HELM_DOCS_PACKAGE

sudo mv helm-docs /usr/local/bin/

sudo chmod +rx /usr/local/bin/helm-docs

helm-docs --version

Documentation: https://github.com/norwoodj/helm-docs

The documentation generated by helm-docs is based on the contents of the values.yaml, README.md.gotmpl and Chart.yaml file. It tries to overwrite the contents of the README.md file within the chart directory.

Install Helm 3

Execute these commands to install helm 3.14+.

sudo su

HELM_TAR_FILE=helm-v3.15.3-linux-amd64.tar.gz
HELM_URL=https://get.helm.sh
HELM_BIN=helm3

function install_helm3 {

if [ -z $(which $HELM_BIN) ]; then
    wget ${HELM_URL}/${HELM_TAR_FILE}
    tar -xvzf ${HELM_TAR_FILE}
    chmod +x linux-amd64/helm
    sudo cp linux-amd64/helm /usr/local/bin/$HELM_BIN
    sudo ln -sfn /usr/local/bin/$HELM_BIN /usr/local/bin/helm
    rm -rf ${HELM_TAR_FILE} linux-amd64
    echo -e "\nwhich ${HELM_BIN}"
    which ${HELM_BIN}
else
    echo "Helm 3 is most likely installed"
fi
}

install_helm3
which $HELM_BIN
$HELM_BIN version

exit

Documentation: https://helm.sh/docs/

Credits: Juan Pablo Perez - https://www.linkedin.com/in/juanpabloperezpeelmicro/

https://github.com/peelmicro/learn-devops-the-complete-kubernetes-course