Build Helloworld.go
package main
import (
"fmt"
"log"
"net/http"
)
func handler(w http.ResponseWriter, r *http.Request) {
log.Println("received request from", r.RemoteAddr, r.URL.Path[1:])
var welcome = r.URL.Path[1:]
if len(welcome) == 0 {
welcome = "World"
}
fmt.Fprintf(w, "Hello, %s! ", welcome)
}
func main() {
http.HandleFunc("/", handler)
log.Println("starting server on port 9000")
log.Fatal(http.ListenAndServe(":9000", nil))
}
Make Dockerfile
FROM golang:latest
# 将工作目录设置为 /app
WORKDIR /app
# 将当前目录下的所有内容复制到 /app 下
COPY . /app
# 允许宿主机访问容器的 8000 端口
EXPOSE 9000
# 设置容器进程为：go run helloworld.go
CMD go run helloworld.go
Build Image
docker build -t helloworld:1.0 .
Start container
docker run -d --name myhello -p 9000:9000 helloworld:1.0
