mcdockerimage/src/cmd.go

package main

import (
	"fmt"
	"net"
	"os"
)

func main() {
	command := ""
	// connect to this socket
	conn, _ := net.Dial("tcp", "127.0.0.1:8081")
	for _, s := range os.Args[1:] {
		command += s + " "
	}
	// send to socket
	fmt.Fprintf(conn, command+"\n")
}