通过goland 进行远程 dlv的实现过程

apiVersion: apps/v1
kind: Deployment
metadata:
  name: xxxname
  namespace: namespace
spec:
  replicas: 1
  selector:
    matchLabels:
      xxx: xxx
  template:
    metadata:
      labels:
        xxx: xxx
    spec:
      containers:
      # 主应用容器 - 添加调试环境变量
      - name: xxxname
        command:
        - ./startapp
        - --config-file=/xxxx
        image: xxx
        env:
        - name: GODEBUG
          value: "gctrace=1"
        - name: GOMAXPROCS
          value: "2"
        ports:
        - containerPort: 8888
          name: before_biz_port
          protocol: TCP
        # 添加调试端口
        - containerPort: 2345
          name: dlv-debug
          protocol: TCP
        resources:
          requests:
            cpu: 500m
            memory: 1Gi
          limits:
            cpu: 1000m
            memory: 2Gi
      # Delve 调试 Sidecar
      - name: dlv-debugger
        image: golang:1.21-alpine
        command:
        - /bin/sh
        - -c
        - |
          apk add --no-cache git
          go install github.com/go-delve/delve/cmd/dlv@latest
          /go/bin/dlv attach 1 --headless --listen=:2345 --api-version=2 --accept-multiclient --log
        securityContext:
          capabilities:
            add:
            - SYS_PTRACE
          privileged: false
          runAsUser: 0
        ports:
        - containerPort: 2345
          name: dlv-debug
          protocol: TCP
        volumeMounts:
        - mountPath: /logs
          name: logs
          readOnly: true
      volumes:
      - emptyDir: {}
        name: logs

# 在主容器中集成调试功能
- name: xxx
  command:
  - /bin/sh
  - -c
  - |
    # 安装 delve（如镜像中未包含）
    if ! command -v dlv &> /dev/null; then
        go install github.com/go-delve/delve/cmd/dlv@latest
    fi
    # 使用 delve 启动程序
    /go/bin/dlv exec --headless --listen=:2345 --api-version=2 --accept-multiclient \
      ./xxx -- \
      --config-file=/xxx
  securityContext:
    capabilities:
      add:
      - SYS_PTRACE
  ports:
  - containerPort: 8888
    name: before_biz_port
    protocol: TCP
  - containerPort: 2345
    name: dlv-debug
    protocol: TCP

kubectl port-forward deployment/xxx 2345:2345 -n name_space