核心内容摘要
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无状态应用迁移实战：将HTTP服务器平滑迁移到Kubernetes引言将应用迁移到 Kubernetes 是云原生转型的关键步骤。
本文将完整演示如何将 Go HTTP 服务器从 Docker 容器平滑迁移到 Kubernetes 平台，包括部署、服务暴露、监控等完整流程。
迁移准备
1 迁移检查清单✅ 应用已容器化✅ 镜像已推送到仓库✅ 配置外部化✅ 健康检查端点✅ 日志标准化
2 应用分析Go HTTP 服务器特点：无状态应用支持水平扩展有健康检查端点环境变量配置
创建 Kubernetes 资源
1 DeploymentapiVersion:apps/v1kind:Deploymentmetadata:name:http-serverlabels:app:http-serverversion:v
1.
0spec:replicas:3strategy:type:RollingUpdaterollingUpdate:maxSurge:1maxUnavailable:0selector:matchLabels:app:http-servertemplate:metadata:labels:app:http-serverversion:v
1.
0spec:containers:-name:http-serverimage:http-server:v
1.
0imagePullPolicy:IfNotPresentports:-name:httpcontainerPort:8080protocol:TCPenv:-name:PORTvalue:"8080"-name:ENVvalue:"production"resources:requests:memory:"128Mi"cpu:"100m"limits:memory:"256Mi"cpu:"500m"livenessProbe:httpGet:path:/healthport:8080initialDelaySeconds:30periodSeconds:10timeoutSeconds:5failureThreshold:3readinessProbe:httpGet:path:/healthport:8080initialDelaySeconds:5periodSeconds:5timeoutSeconds:3failureThreshold:3startupProbe:httpGet:path:/healthport:8080failureThreshold:30periodSeconds:
1