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code/go-project/base-farmework/cmd/app/main.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+)
+
+func helloHandler(w http.ResponseWriter, r *http.Request) {
+	_, err := fmt.Fprintf(w, "Hello, world!")
+	if err != nil {
+		log.Printf("write response error: %v", err)
+		return
+	}
+}
+
+func main() {
+	http.HandleFunc("/", helloHandler)
+
+	err := http.ListenAndServe(":8081", nil)
+
+	if err != nil {
+		log.Fatalf("server start failed: %v", err)
+	}
+}