Kubernetes hint

Kubernetes

KUBERNETES ORDER
-> DOCKER
-> DEPLOYMENT
-> REPLICA 
-> REPLICA SETTINGS FOR SCALE

docker build -t burakodabas/test-app .
docker push burakodabas/test-app .

kubectl create deployment --image burakodabas/test-app test-app
kubectl scale deployment test-app --replicas 3
kubectl expose deployment test-app --port 3000

kubectl edit service test-app
  Replace port: 3000 with port: 80
  Replace type: NodePort with type: LoadBalance
  
# for scaling

          resources:
            limits:
              cpu: 1200m
              memory: 512Mi
            requests:
              cpu: 700m
              memory: 256Mi
  
#for reloading the application
kubectl set env deployment test-app DEPLOY_DATE="$(date)"