Kubernetes Deployment and Service Sample file

Deployment.yaml

apiVersion: apps/v1
# kind include service, deployment, job etc.
##### This is a Deployment object
kind: Deployment
# This metadata is about Deployment what is deployment name in kubernetes cluster
# You want to see to identify the deployment.
metadata:
  name: kub-deployment-second-app
# Below is the specification of our deployment `kub-deployment-second-app`
spec:
  # This is replicas of your pod instance if you know more traffic coming with start then you can
  # update this default value. K8S then will Spin up that amount of pods containing the same container
  replicas: 1
  selector:
    matchLabels:
      app: kub-pod-second-app
      tier: backend

  ##### This is a Template: POD objects. Template describe the pod that will be created.
  ##### This is where you specify the metadata and the containers that will run in the Pods.
  ##### This object tells kubernetes we want to create pods object inside cluster
  template:
    metadata:
     labels:
      # This is our pod name
      app: kub-pod-second-app
      tier: backend
    spec: # Below is the specification of our pods
      containers:
      - name: kub-container-second-app
        image: dockercamp2023/kube-deployment-first-app:latest
      #- name : kub-container-second-app
      #  image: <your-image>