02-云原生与 Kubernetes

本讲为十二期第二阶段，聚焦容器化技术与 Kubernetes 集群运维。

核心内容

• Docker 镜像优化与多阶段构建
• Kubernetes 核心概念：Pod、Deployment、Service、Ingress
• Operator 开发与运维自动化
• Helm Chart 编写与发布

# Kubernetes Deployment 示例
apiVersion: apps/v1
kind: Deployment
metadata:
  name: java-senior-service
spec:
  replicas: 3
  selector:
    matchLabels:
      app: java-senior
  template:
    spec:
      containers:
        - name: app
          image: registry.example.com/java-senior:v1.0.0
          resources:
            requests: { cpu: "500m", memory: "1Gi" }
            limits: { cpu: "1000m", memory: "2Gi" }