deployment.yaml 5.98 KB
apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend
  namespace: ecommerce
  labels:
    app: frontend
    app.kubernetes.io/name: frontend
    app.kubernetes.io/part-of: ecommerce
spec:
  replicas: 1
  revisionHistoryLimit: 3
  selector:
    matchLabels:
      app: frontend
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0
  template:
    metadata:
      labels:
        app: frontend
        app.kubernetes.io/name: frontend
        app.kubernetes.io/part-of: ecommerce
        app.kubernetes.io/version: $(APP_VERSION)  # 动态版本标签
        version: $(APP_VERSION)                    # 动态版本标签
      annotations:
        prometheus.io/scrape: "true"
        prometheus.io/port: "80"
        prometheus.io/path: "/metrics"
    spec:
      # Affinity rules for better distribution
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - weight: 100
            podAffinityTerm:
              labelSelector:
                matchExpressions:
                - key: app
                  operator: In
                  values:
                  - frontend
              topologyKey: kubernetes.io/hostname
        nodeAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - weight: 1
            preference:
              matchExpressions:
              - key: node-type
                operator: In
                values:
                - frontend
      containers:
      - name: frontend
        image: 319998871902.dkr.ecr.us-east-1.amazonaws.com/ecommerce-frontend:$(APP_VERSION)  # 动态镜像版本
        imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 80
          name: http
          protocol: TCP
        env:
        # 版本信息 - 从 ConfigMap 动态获取
        - name: APP_VERSION
          valueFrom:
            configMapKeyRef:
              name: app-version-info
              key: service.frontend.version
        - name: APPLICATION_VERSION
          valueFrom:
            configMapKeyRef:
              name: app-version-info
              key: application.version
        - name: SERVICE_DESCRIPTION
          valueFrom:
            configMapKeyRef:
              name: app-version-info
              key: service.frontend.description
        # 应用配置
        - name: NODE_ENV
          value: "production"
        - name: PORT
          value: "80"
        # API 配置
        - name: API_BASE_URL
          value: "https://api.awsmpc.asia"
        - name: API_GATEWAY_URL
          value: "https://api.awsmpc.asia"
        # 前端环境变量 - 从 ConfigMap 获取
        - name: REACT_APP_API_URL
          valueFrom:
            configMapKeyRef:
              name: frontend-config
              key: API_URL
        - name: REACT_APP_APP_NAME
          valueFrom:
            configMapKeyRef:
              name: frontend-config
              key: APP_NAME
        - name: REACT_APP_VERSION
          valueFrom:
            configMapKeyRef:
              name: app-version-info
              key: service.frontend.version
        - name: REACT_APP_BUILD_VERSION
          value: "$(BUILD_VERSION)"
        - name: REACT_APP_GIT_COMMIT
          value: "$(GIT_COMMIT)"
        # 功能开关
        - name: REACT_APP_ENABLE_ANALYTICS
          value: "true"
        - name: REACT_APP_ENABLE_DEBUG
          value: "false"
        - name: REACT_APP_ENABLE_PWA
          value: "true"
        # 性能配置
        - name: NGINX_WORKER_PROCESSES
          value: "auto"
        - name: NGINX_WORKER_CONNECTIONS
          value: "1024"
        - name: NGINX_KEEPALIVE_TIMEOUT
          value: "65"
        # 缓存配置
        - name: CACHE_CONTROL_MAX_AGE
          value: "31536000"  # 1年
        - name: BROWSER_CACHE_ENABLED
          value: "true"
        # Resource limits
        resources:
          requests:
            memory: "128Mi"
            cpu: "100m"
          limits:
            memory: "256Mi"
            cpu: "200m"
        # Volume mounts for configuration
        volumeMounts:
        - name: nginx-config
          mountPath: /etc/nginx/conf.d/default.conf
          subPath: nginx.conf
        - name: environment-config
          mountPath: /usr/share/nginx/html/env.js
          subPath: environment.js
        # Liveness probe - indicates if container is running
        livenessProbe:
          httpGet:
            path: /health
            port: 80
            scheme: HTTP
          initialDelaySeconds: 30
          periodSeconds: 10
          timeoutSeconds: 5
          failureThreshold: 3
          successThreshold: 1
        # Readiness probe - indicates if container is ready to serve traffic
        readinessProbe:
          httpGet:
            path: /health
            port: 80
            scheme: HTTP
          initialDelaySeconds: 5
          periodSeconds: 5
          timeoutSeconds: 3
          failureThreshold: 3
          successThreshold: 1
        # Startup probe - for slow starting containers
        startupProbe:
          httpGet:
            path: /health
            port: 80
            scheme: HTTP
          initialDelaySeconds: 10
          periodSeconds: 10
          failureThreshold: 30
          successThreshold: 1
        # Security context
        securityContext:
          runAsNonRoot: true
          runAsUser: 101  # nginx user
          allowPrivilegeEscalation: false
          capabilities:
            drop:
            - ALL
      # Volumes definition
      volumes:
      - name: nginx-config
        configMap:
          name: frontend-config
          items:
          - key: nginx.conf
            path: nginx.conf
      - name: environment-config
        configMap:
          name: frontend-config
          items:
          - key: environment.js
            path: env.js
      # Security context for the pod
      securityContext:
        runAsNonRoot: true
        runAsUser: 101
        fsGroup: 101
      # Image pull secrets if using private registry
      imagePullSecrets:
      - name: regcred