Cài đặt service cho application trong k8s

Mẫu file ứng dụng

apiVersion: apps/v1
kind: Deployment
metadata:
  name: service-api-micro-deployment
  namespace: dev
  labels:
    app.kubernetes.io/managed-by: Helm
    k8slens-edit-resource-version: v1
  annotations:
    deployment.kubernetes.io/revision: '9'
    meta.helm.sh/release-name: service-api-micro
    meta.helm.sh/release-namespace: dev
spec:
  replicas: 4
  selector:
    matchLabels:
      name: service-api-micro
    spec:
      volumes:
        - name: service-api-micro
          configMap:
            name: service-api-micro
            items:
              - key: application.properties
                path: application.properties
              - key: logback-spring.xml
                path: logback-spring.xml
            defaultMode: 256
            optional: false
        - name: podinfo
          downwardAPI:
            items:
              - path: labels
                fieldRef:
                  apiVersion: v1
                  fieldPath: metadata.labels
              - path: annotations
                fieldRef:
                  apiVersion: v1
                  fieldPath: metadata.annotations
            defaultMode: 420
      containers:
        - name: service-api-micro
          image: 192.168.1.114/dev/service-api-micro:1.0.0
          ports:
            - containerPort: 8081
              protocol: TCP
          env:
            - name: ENV_PROFILE
              value: dev
            - name: TZ
              value: Asia/Ho_Chi_Minh
            - name: JVM_OPTS
              value: >-
                -Xms1024m -Xmx2048m -Dsun.net.http.retryPost=false
                -Dhttp.retryPost=false -Dlog4j2.formatMsgNoLookups=true
                -Dspring.config.location=/deployment/
            - name: NUMBER_HELM
              value: H30518
          resources:
            limits:
              memory: 2Gi
            requests:
              memory: 2Gi
          imagePullPolicy: Always
      restartPolicy: Always

Mẫu file service

apiVersion: v1
kind: Service
metadata:
  name: service-api-micro-service
  namespace: dev
spec:
  ports:
    - protocol: TCP
      port: 8081
      targetPort: 8081
  selector:
    name: service-api-micro
  type: ClusterIP

Mẫu file ingress

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: service-api-micro-ingress
  namespace: dev
status:
  # Cái này khả năng được thêm vào sau khi thêm ingress nginx controller
  loadBalancer:
    ingress:
      - ip: 192.168.1.14
      - ip: 192.168.1.15
      - ip: 192.168.1.16
      - ip: 192.168.1.17
spec:
  ingressClassName: nginx
  rules:
    - http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: service-api-micro-service
                port:
                  number: 8081