added backend

backend/api/services.go

@@ -0,0 +1,32 @@
+package api
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+)
+
+func ReadServicesFile() string {
+	data, e := os.ReadFile(os.Getenv("SERVICES_FILE"))
+	if e != nil {
+		panic(e)
+	}
+	return string(data)
+}
+
+func Services(w http.ResponseWriter, req *http.Request) {
+	switch req.Method {
+	case "GET":
+		fmt.Fprintf(w, "%s", ReadServicesFile())
+	case "POST":
+		data, err := io.ReadAll(req.Body)
+		if err != nil {
+			fmt.Fprintf(w, "Error to read body: %v", err)
+			return
+		}
+		fmt.Println(string(data))
+		os.WriteFile(os.Getenv("SERVICES_FILE"), data, 4755)
+		fmt.Fprint(w, string(data))
+	}
+}