added base code

main.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+)
+
+var APP_VERSION string = "latest"
+var COMMIT_ID string = "undefined"
+var ws *WebServer
+
+func main() {
+	// Create a channel to receive the OS signals
+	sc := make(chan os.Signal, 1)
+	signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM)
+
+	// Initialize the WebService structure
+	ws = new(WebServer)
+	ws.Initialize()
+
+	// Start the WebService
+	go ws.Start()
+
+	// Wait for a signal
+	<-sc
+	fmt.Println("Shutting down...")
+
+	// Create a context with a timeout for graceful shutdown
+	shCtx, shCancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer shCancel()
+
+	// Shutdown the HTTP server
+	err := ws.HTTPServer.Shutdown(shCtx)
+	if err != nil {
+		fmt.Printf("Server shutdown error: %s", err)
+		os.Exit(1)
+	}
+}