docker部署golanghttp服务时端口无法访问的问题解决

[root@hecs-205828 ~]# curl -XGET http://127.0.0.1:8360/hello
curl: (56) Recv failure: Connection reset by peer

package main

import (
   "fmt"
   "net/http"
   "os"
   "strings"
)

func main() {
   http.HandleFunc("/hello", handler_hello)
   http.HandleFunc("/healthz", handler_healthz)
   http.ListenAndServe("127.0.0.1:8360", nil)
}

func handler_healthz(w http.ResponseWriter, r *http.Request) {
   w.WriteHeader(http.StatusOK)
   w.Write([]byte("OK"))
}

func handler_hello(w http.ResponseWriter, r *http.Request) {
   fmt.Println("method = ", r.Method)
   fmt.Println("URL = ", r.URL)
   fmt.Println("RemoteAddr = ", r.RemoteAddr)
   fmt.Println("IP = ", strings.Split(r.RemoteAddr, ":")[0])
   fmt.Println("header = ", r.Header)
   fmt.Println("body = ", r.Body)
   fmt.Println(r.RemoteAddr, "连接成功")

   for name, values := range r.Header {
      for _, value := range values {
         fmt.Println(name, value)
         _, exits := w.Header()[name]
         if exits {
            w.Header().Add(name, value)
         } else {
            w.Header().Set(name, value)
         }
      }
   }
   VERSION := os.Getenv("VERSION")
   fmt.Println("VERSION is ：", VERSION)
   w.Header().Set("VERSION", VERSION)
   w.WriteHeader(http.StatusOK)
   w.Write([]byte("hello http server"))
}

FROM golang:1.17 AS build

WORKDIR /web-server/

COPY . .
ENV CGO_ENABLED=0
ENV GO111MODULE=on
ENV GOPROXY=https://goproxy.cn,direct
RUN GOOS=linux go build -installsuffix cgo -o web-server main.go

FROM busybox
COPY --from=build /web-server/web-server /web-server/web-server
EXPOSE 8360
ENV ENV local
WORKDIR /web-server/
ENTRYPOINT ["/web-server/web-server"]

[root@hecs-205828 ~]# telnet 127.0.0.1 8360
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
Connection closed by foreign host.

[root@hecs-205828 ~]# docker ps -a
CONTAINER ID   IMAGE              COMMAND                  CREATED          STATUS          PORTS                                       NAMES
dfb2b46abd34   httpserver:0.0.1   "/web-server/web-ser…"   27 hours ago     Up 2 hours      0.0.0.0:8360->8360/tcp, :::8360->8360/tcp   relaxed_mccarthy

[root@hecs-205828 ~]# docker exec -it dfb2b46abd34 sh
/web-server # ps 
PID   USER     TIME  COMMAND
    1 root      0:00 /web-server/web-server
   38 root      0:00 sh
   94 root      0:00 sh
  101 root      0:00 ps
/web-server # netstat -an |grep 8360
tcp        0      0 127.0.0.1:8360          0.0.0.0:*               LISTEN      
/web-server #

/web-server # wget -q -O -  http://127.0.0.1:8360/hello
hello http server
/web-server # 

[root@hecs-205828 ~]# docker port  dfb2b46abd34 
8360/tcp -> 0.0.0.0:8360
8360/tcp -> :::8360

func main() {
   http.HandleFunc("/hello", handler_hello)
   http.HandleFunc("/healthz", handler_healthz)
   http.ListenAndServe("0.0.0.0:8360", nil)
}

sudo docker build . -t httpserver:0.0.2

 sudo docker run -d -p 8260:8230 httpserver:0.0.2

[root@hecs-205828 ~]# docker ps -a
CONTAINER ID   IMAGE              COMMAND                  CREATED          STATUS          PORTS                                       NAMES
ae5e2bf431c7   httpserver:0.0.2   "/web-server/web-ser…"   50 minutes ago   Up 50 minutes   0.0.0.0:8260->8360/tcp, :::8260->8360/tcp   affectionate_nash
dfb2b46abd34   httpserver:0.0.1   "/web-server/web-ser…"   27 hours ago     Up 2 hours      0.0.0.0:8360->8360/tcp, :::8360->8360/tcp   relaxed_mccarthy
[root@hecs-205828 ~]# 

[root@hecs-205828 ~]# curl -XGET http://127.0.0.1:8260/hello
hello http server
[root@hecs-205828 ~]#