apiVersion: apps/v1
kind: Deployment
metadata:
  name: <service_name><service_version>
  namespace: default
spec:
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1          # 每次只新增 1 个 Pod（逐步替换）
      maxUnavailable: 0    # 确保任何时刻所有 Pod 都可用
  minReadySeconds: 60      # 新 Pod Ready 后至少保持 60 秒才认为更新完成
  selector:
    matchLabels:
      app: <service_name><service_version>
      # release: <release>
  template:
    metadata:
      labels:
        app: <service_name><service_version>
        # release: <release>
      annotations:
        commit-sha: "<COMMIT_SHA>"
    spec:
      imagePullSecrets:
      - name: <imagePullSecret>
      containers:
      - name: <service_name>
        image: <docker_image>
        command: ["java"]
        args: <java_args>
        readinessProbe:
          httpGet:
            path: <service_health>
            port: 80
          initialDelaySeconds: 30
          periodSeconds: 30
          failureThreshold: 3
        ports:
        - name: http
          containerPort: 80
        envFrom:
        - configMapRef:
            name: <configmap_env_name>