Kubernetes Setup

Repo contains step-by-step installation scripts for the Ingress (ingress-nginx) and Certificate Manager (letsencrypt) which should work for any cloud Kubernetes Engine like GKE, EKS or DigitalOcean etc.

Note:

• Creating Ingress causes the creation of cloud native loadbalancer (which would cost additional charges)
• This repo installs Helm3 if not installed on your local machine.

How To Setup

Make sure you have curl and kubectl installed and kubectl is configured to be used on your cluster.

Note: This repo installs Helm3 if not installed.

Clone the Repo and cd into it to get started

# clone the repo
git clone https://github.com/iamsavinay/kubernetes_setup.git
# cd into cloned directory
cd kubernetes_setup

Important: First of all change the email to your email in 003_letsencrypt-issuer/issuer.yaml at line 9.

Execute the install scripts in each script serially starting from 000, 001, ... etc.

bash ./000_helm/install.sh
bash ./001_ingress-nginx/install.sh
bash ./002_cert-manager/install.sh
bash ./003_letsencrypt-issuer/install.sh

How to Use

You can use created letsencrypt-issuer and ingress-nginx anywhere in your cluster

Example:

apiVersion: networking.k8s.io/v1beta1
kind: Ingress
metadata:
  name: ingress-service
  namespace: default # put your namespace here if you need to
  annotations:
    kubernetes.io/ingress.class: nginx # use created nginx ingress
    cert-manager.io/cluster-issuer: "letsencrypt-issuer" # user created issuer
    nginx.ingress.kubernetes.io/ssl-redirect: "true" # force all traffic to https
spec:
  tls:
    - hosts:
        - example.com # hosts pointing to k8s cluster
        - www.example.com
      secretName: example-com-tls
  rules:
    - host: example.com
      http:
        paths:
          - path: /
            backend:
              serviceName: frontend-service
              servicePort: 3000
    - host: www.example.com
      http:
        paths:
          - path: /
            backend:
              serviceName: frontend-service
              servicePort: 3000