deployment-sample.yml

---
apiVersion: apps/v1
kind: Deployment
spec:
  selector:
    matchLabels:
      app: night9-app
      component: night9-app
      node-type: worker
  progressDeadlineSeconds: 600
  replicas: 2
  revisionHistoryLimit: 0
  template:
    metadata:
      creationTimestamp: null
      labels:
        app: night9-app
        component: night9-app
        node-type: worker
    spec:
      name: deployment-night9
      automountServiceAccountToken: false
      # Containers
      containers:
      - name: container-night9
        env:
        - name: M2EE_ADMIN_LISTEN_ADDRESSES
          value: 127.0.0.1
        - name: M2EE_ADMIN_PORT
          value: "9000"
        - name: M2EE_ADMIN_PASS
          valueFrom:
            secretKeyRef:
              key: adminpassword
              name: night9-app-m2ee
        image: night9.acr.io:443/core/night9-app
        imagePullPolicy: Always
        ports:
          - containerPort: 8080
        protocol: TCP
        resources:
          limits:
            cpu: 1
            memory: 512Mi
            ephemeral-storage: 100Mi
          requests:
            cpu: 100m
            memory: 512Mi
            ephemeral-storage: 50Mi
        securityContext:
          readOnlyRootFilesystem: true
          runAsUser: 10001
          runAsGroup: 10001
          fsGroup: 1000
      # Pod Affinity
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - topologyKey: kubernetes.io/hostname
            labelSelector:
              matchLabels:
                app: night9-app
                component: night9-app
                node-type: worker
      # HealthCheck
      livenessProbe:
        failureThreshold: 3
        httpGet:
        path: /
        port: night9-app
        scheme: HTTP
        initialDelaySeconds: 60
        periodSeconds: 15
        successThreshold: 1
        timeoutSeconds: 1
      readinessProbe:
        failureThreshold: 3
        httpGet:
          path: /
          port: night9-app
          scheme: HTTP
        initialDelaySeconds: 5
        periodSeconds: 1
        successThreshold: 1
        timeoutSeconds: 1
      startupProbe:
          httpGet:
            path: /
            port: night9-app
            scheme: HTTP
          timeoutSeconds: 1
          periodSeconds: 25
          successThreshold: 1
          failureThreshold: 4
      # Graceful Termination
      terminationGracePeriodSeconds: 300
---
apiVersion: policy/v1beta1
kind: PodDisruptionBudget
metadata:
  name: pdb-night9-app
spec:
  minAvailable: 2
  selector:
    matchLabels:
      app: night9-app
      component: night9-app
      node-type: worker
---
kind: NetworkPolicy
apiVersion: networking.k8s.io/v1
metadata:
  name: allow-all
spec:
  podSelector:
    matchLabels:
      app: night9-app
      component: night9-app
      node-type: worker
  # https://github.com/ahmetb/kubernetes-network-policy-recipes/blob/master/02a-allow-all-traffic-to-an-application.md
  ingress:
  - {}
  egress:
  - {}

https://gist.github.com/pichuang/6603ae778d10de836092309920b57459#file-deployment-sample-yml-L65-L94
可參考 Kubernetes Probe 類型及實作方式的使用說明與小建議

https://gist.github.com/pichuang/6603ae778d10de836092309920b57459#file-deployment-sample-yml-L95-L96

可參考 實現不停機的 Pod 更新方式

https://gist.github.com/pichuang/6603ae778d10de836092309920b57459#file-deployment-sample-yml-L41-L49

可參考 如何科學地估算 Kubernetes 所需的資源? App 角度篇

Kubernetes deployment strategies

https://gist.github.com/pichuang/6603ae778d10de836092309920b57459#file-deployment-sample-yml-L110-L124
可參考 ahmetb/Kubernetes-network-policy-recipes
或 Network Policy Editor