Hello world

cmd/hello-world/main.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+)
+
+func main() {
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		n, err := fmt.Fprintf(w, "Hello world")
+		if err != nil {
+			fmt.Println(err)
+		}
+		fmt.Printf("Number of bytes written: %d\n", n)
+	})
+
+	_ = http.ListenAndServe(":8080", nil)
+}

go.mod

@@ -0,0 +1,3 @@
+module go-udemy-web-1
+
+go 1.21.0