Golang通过K8sService暴露应用方法

package main
import (
"fmt"
"net/http"
)
func hello(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "Hello from Go app!")
}
func main() {
http.HandleFunc("/", hello)
fmt.Println("Server starting on port 8080...")
http.ListenAndServe(":8080", nil)
}

FROM golang:alpine AS builder
WORKDIR /app
COPY . .
RUN go build -o main .
FROM alpine
RUN apk --no-cache add ca-certificates
WORKDIR /root/
COPY --from=builder /app/main .
CMD ["./main"]

apiVersion: apps/v1
kind: Deployment
metadata:
  name: go-app-deployment
spec:
  replicas: 2
  selector:
    matchLabels:
      app: go-app
  template:
    metadata:
      labels:
        app: go-app
    spec:
      containers:
      - name: go-app
        image: your-registry/go-app:v1
        ports:
        - containerPort: 8080

apiVersion: v1
kind: Service
metadata:
  name: go-app-service
spec:
  selector:
    app: go-app
  ports:
    - protocol: TCP
      port: 80
      targetPort: 8080
  type: ClusterIP

apiVersion: v1
kind: Service
metadata:
  name: go-app-service
spec:
  selector:
    app: go-app
  ports:
    - protocol: TCP
      port: 80
      targetPort: 8080
      nodePort: 30080
  type: NodePort

apiVersion: v1
kind: Service
metadata:
  name: go-app-service
spec:
  selector:
    app: go-app
  ports:
    - protocol: TCP
      port: 80
      targetPort: 8080
  type: LoadBalancer