feat: add configuration management and update deployment files

main.go

@@ -1,9 +1,13 @@
 package main
 
 import (
+	"flag"
 	"fmt"
+	"k8s-example/cmn/conf"
 	"k8s-example/hello"
 	"net/http"
+
+	"github.com/spf13/viper"
 )
 
 var (
@@ -11,10 +15,18 @@ var (
 )
 
 func main() {
+
+	// read -f parameter (config file)
+	configPath := flag.String("f", ".linux-config.json", "config file")
+	flag.Parse()
+	conf.Init(*configPath)
+
 	http.HandleFunc("/hello", hello.Handler)
 
-	fmt.Println("server on :8800, version:", version)
-	err := http.ListenAndServe(":8800", nil)
+	port := viper.GetInt("server.port")
+
+	fmt.Println("server on :", port, "version:", version)
+	err := http.ListenAndServe(fmt.Sprintf(":%d", port), nil)
 	if err != nil {
 		panic(err)
 	}