Setup docker.

if you are on mac then you can use homebrew

brew install --cask docker

this will install docker desktop go to docker desktop and then start the server.

Setup minikube.

brew install minikube

You will have docker, kubectl and minikube installed till now.

start a cluster.

kubectl start --driver=docker

Creating deployment configuration.

Create base64 value

• echo -n admin | base64 # YWRtaW4=
• echo -n password | base64 # cGFzc3dvcmQ=

Create secrets

kubectl apply -f secrets.yml

Verify created secrets

kubectl get secret mongodb-secrets -o jsonpath='{.data}'

Create mongodb deployment

kubectl apply -f deployments/mongo.yml

Verify kubernetes deployment

kubectl get deployment
kubectl get pods 

Verify kubernetes pods

kubectl get pods 

Adding service and reapply

kubectl apply -f deployments/mongo.yml
# output
# deployment.apps/mongodb-deployment unchanged
# service/mongodb-service created

Verify services

kubctl get services

Create ConfigMap

kubectl apply -f configMap.yml

Verify configMaps

kubectl describe configmaps mongodb-configmap

Create Mongo express deployment

kubectl apply -f deployments/mongo-express.yml 

Verify Deployment

kubectl get pod -o wide

watch pods every 5 sec (Monitor pods every 5 sec)

watch -n5 kubectl get pods -o wide

Add service then again*

kubectl apply -f deployments/mongo-express.yml 

Verify services

kubectl get services

finally check the deployment

minikube service mongo-express-service

TODO: configuring a ingress ( ingress allow us to access the service without port.)

setting up active namespace.

• install kubectx

brew install kubectx

• list all namespace names

kubens

Activate a namespace

kubens <namespace-name>

Entering a pod

kubectl exec -it <pod-name> -- /bin/sh

minikube addons enable ingress, we can install any of them

TODO:

• Add ingress
• Add Storage class and persistent volume claims
• Add local storage
• Add Monitoring