mkdir gotest
touch main.go
touch Dockerfile

package main

import (
    "fmt"
    "log"
    "net/http"
)

func main() {
    http.HandleFunc("/", func(writer http.ResponseWriter, request *http.Request) {
        fmt.Fprint(writer, "Hello World")
    })
    fmt.Println("3000!!")
    log.Fatal(http.ListenAndServe(":3000", nil))
}

#源镜像
FROM golang:latest
#设置工作目录
WORKDIR $GOPATH/src/github.com/gotest
#将服务器的go工程代码加入到docker容器中
ADD . $GOPATH/src/github.com/gotest
#go构建可执行文件
RUN go build .
#暴露端口
EXPOSE 3000
#最终运行docker的命令
ENTRYPOINT ["./gotest"]

docker build -t gotest .

#源镜像
FROM alpine:latest
#设置工作目录
WORKDIR $GOPATH/src/github.com/common
#将服务器的go工程代码加入到docker容器中
ADD . $GOPATH/src/github.com/common
#暴露端口
EXPOSE 3002
#最终运行docker的命令
ENTRYPOINT ["./common"]

docker build -t common .