Golang如何使用Helm管理部署包_Golang Helm Chart部署实践

FROM golang:1.21-alpine AS builder
WORKDIR /app
COPY . .
RUN go mod download
RUN go build -o main .
<p>FROM alpine:latest
RUN apk --no-cache add ca-certificates
WORKDIR /root/
COPY --from=builder /app/main .
CMD ["./main"]</p>

docker build -t your-registry/go-service:v1.0.0 .
docker push your-registry/go-service:v1.0.0

helm create go-service

image:
  repository: your-registry/go-service
  tag: v1.0.0
  pullPolicy: IfNotPresent
<p>service:
type: ClusterIP
port: 8080</p>

apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ include "go-service.fullname" . }}
spec:
  replicas: {{ .Values.replicaCount }}
  selector:
    matchLabels:
      app.kubernetes.io/name: {{ include "go-service.name" . }}
  template:
    metadata:
      labels:
        app.kubernetes.io/name: {{ include "go-service.name" . }}
    spec:
      containers:
        - name: {{ .Chart.Name }}
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
          ports:
            - containerPort: {{ .Values.service.port }}
          env:
            - name: ENV
              value: {{ .Values.env | default "prod" }}

helm install my-go-app ./go-service

helm upgrade my-go-app ./go-service --set image.tag=v1.1.0

helm history my-go-app

helm rollback my-go-app 1