feat: prometheus

server/middleware/stat_middleware.go

@@ -0,0 +1,21 @@
+package middleware
+
+import (
+	"nysoure/server/stat"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+func StatMiddleware(c fiber.Ctx) error {
+	err := c.Next()
+	status := "200"
+	if err != nil {
+		if e, ok := err.(*fiber.Error); ok {
+			status = string(rune(e.Code))
+		} else {
+			status = "500"
+		}
+	}
+	stat.RecordRequest(c.Method(), c.Path(), status)
+	return err
+}