updated app build

golangproxy/server/server.go

@@ -0,0 +1,39 @@
+package server
+
+import (
+	"fmt"
+	"net/http"
+	"os"
+	"path/filepath"
+)
+
+// StartServer launches a web server on 127.0.0.1:61147
+func StartServer() {
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		indexPath := filepath.Join("www", "index.html")
+		if _, err := os.Stat(indexPath); os.IsNotExist(err) {
+			// Create index.html if it doesn’t exist
+			if err := os.MkdirAll("www", 0755); err != nil {
+				http.Error(w, "Error creating www directory", http.StatusInternalServerError)
+				return
+			}
+			file, err := os.Create(indexPath)
+			if err != nil {
+				http.Error(w, "Error creating index.html", http.StatusInternalServerError)
+				return
+			}
+			defer file.Close()
+			_, err = file.WriteString("<h1>GoLangProxy is up</h1>")
+			if err != nil {
+				http.Error(w, "Error writing index.html", http.StatusInternalServerError)
+				return
+			}
+		}
+		http.ServeFile(w, r, indexPath)
+	})
+
+	fmt.Println("Starting simple web server on 127.0.0.1:61147")
+	if err := http.ListenAndServe("127.0.0.1:61147", nil); err != nil {
+		fmt.Println("Web server error:", err)
+	}
+}