Simple webserver in go

- Better Makefile
- Added basic dependencies in the Makefile

main.go

@@ -0,0 +1,36 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+)
+
+func handler(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		http.Error(w, "POST only", http.StatusMethodNotAllowed)
+		return
+	}
+
+	body, err := io.ReadAll(r.Body)
+	if err != nil {
+		http.Error(w, "read error", http.StatusBadRequest)
+		return
+	}
+	defer r.Body.Close()
+
+	fmt.Println("Received:", string(body))
+
+	w.WriteHeader(http.StatusOK)
+	w.Write([]byte("ok"))
+}
+
+func main() {
+	http.HandleFunc("/data", handler)
+
+	addr := ":8080"
+	log.Println("Listening on", addr)
+	log.Fatal(http.ListenAndServe(addr, nil))
+}
+