Do

K8s - DigitalOcean

Cloud

Deploy Sampleapp on Kuberentes …

Prerequisite

  • Domain “kubbi.xyz”, ns1.digitalocean.com, ns2, ns3 …
  • Digital Ocean Login

Doku

https://docs.digitalocean.com/products/kubernetes/getting-started/operational-readiness/

Build Kubbi Cluster

Build Cluster with WebGUI or CLI

via CLI

time doctl kubernetes cluster create prod001 --region fra1 --node-pool "size=s-2vcpu-2gb;auto-scale=true;min-nodes=3;max-nodes=5"
  • FRA1
  • 3 Nodes
  • 2 CPU
  • 2 GB RAM
  • 60 GB Disk
  • Costs: 54 USD/Mt!

Connecting and managing this cluster

doctl kubernetes cluster kubeconfig save 4375b470-ebe8-4ccb-925a-345df364dfbd

user@mac % doctl kubernetes cluster kubeconfig save 4375b470-ebe8-4ccb-925a-345df364dfbd


Notice: Adding cluster credentials to kubeconfig file found in "/Users/user/.kube/config"
Notice: Setting current-context to do-fra1-k8s-1-28-2-do-0-fra1-1702031438694

kubectl config get-contexts

kubectl config get-contexts

user@mac % kubectl config get-contexts

CURRENT   NAME                                         CLUSTER                                      AUTHINFO                                           NAMESPACE
*         do-fra1-prod-cluster-01                      do-fra1-prod-cluster-01                      do-fra1-prod-cluster-01-admin

kubectl cluster-info

kubectl cluster-info

user@mac % kubectl cluster-info

Kubernetes control plane is running at https://f179692f-aeac-4f9c-af3b-2422897ea578.k8s.ondigitalocean.com
CoreDNS is running at https://f179692f-aeac-4f9c-af3b-2422897ea578.k8s.ondigitalocean.com/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy

To further debug and diagnose cluster problems, use 'kubectl cluster-info dump'.

kubectl version

kubectl version

user@mac % kubectl version

Client Version: v1.28.2
Kustomize Version: v5.0.4-0.20230601165947-6ce0bf390ce3
Server Version: v1.28.2

kubectl get nodes

kubectl get nodes

user@mac % kubectl get nodes

NAME                    STATUS   ROLES    AGE     VERSION
prod-cluster-01-xa856   Ready    <none>   3m59s   v1.28.2
prod-cluster-01-xa85a   Ready    <none>   4m7s    v1.28.2

Install Nginx Ingress Controller

  • via GUI / Marketplace / NGINX Ingress Controller

show lbl status

doctl compute load-balancer list --format IP,ID,Name,Status

user@mac % doctl compute load-balancer list --format IP,ID,Name,Status

IP    ID                                      Name                                Status
      55d7381d-9bcd-4f8f-905e-e90efd09f03e    a6554a9aff1a340e986d48431e19cca9    new

no ip yet … wait …