Golang如何在Docker容器中搭建开发环境

FROM golang:1.21-alpine

FROM golang:1.21-alpine
<h1>设置工作目录</h1><p>WORKDIR /app</p><h1>安装git（某些包依赖git）</h1><p>RUN apk add --no-cache git</p><h1>设置GOPROXY加速模块下载</h1><p>ENV GOPROXY=<a href="https://www.php.cn/link/77050e6fc4141c7d1457f36e3fc6f821">https://www.php.cn/link/77050e6fc4141c7d1457f36e3fc6f821</a></p>
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                <h1>复制go.mod和go.sum（利用Docker缓存优化构建）</h1><p>COPY go.mod go.sum ./
RUN go mod download</p><h1>复制源码</h1><p>COPY . .</p><h1>暴露开发服务端口（如Web服务）</h1><p>EXPOSE 8080</p><h1>默认命令，可被覆盖</h1><p>CMD ["go", "run", "main.go"]

docker build -t my-go-app .
docker run -it --rm -v $(pwd):/app -p 8080:8080 my-go-app