luandevpro

kubectl get pods --show-labels

luandevpro

kubectl apply -f deployment-canary.yaml 

luandevpro

apiVersion: apps/v1
kind: Deployment

metadata:
  name: canary
spec:
  minReadySeconds: 10
  replicas: 1
  selector:
    matchLabels:

luandevpro

kubectl apply -f service.yaml

luandevpro

apiVersion: v1
kind: Service
metadata:
  name: entry-point
spec:
  ports:
    - port: 80
      targetPort: 8080
  type: NodePort
  selector:

luandevpro

kubectl apply -f deployment-prod.yaml

luandevpro

apiVersion: apps/v1
kind: Deployment

metadata:
  name: v1
spec:
  minReadySeconds: 10
  replicas: 3
  selector:
    matchLabels:

luandevpro

kubectl delete deployment/v1
kubectl delete deployment/v2

kubectl delete service entry-point

luandevpro

package main

import (
	"fmt"
)

 
func main() {
	ch := make(chan int , 1)
	ch <- 10

luandevpro

package main

import (
	"fmt"
)

 
func main() {
	ch := make(chan int)
	ch <- 10