feat: add ping

internal/controller/0module.go

@@ -3,5 +3,5 @@ package controller
 import "go.uber.org/fx"
 
 func Module() fx.Option {
-	return fx.Module("controller", fx.Invoke(RegisterGraphQL))
+	return fx.Module("controller", fx.Invoke(RegisterGraphQL), fx.Invoke(RegisterMeta))
 }

internal/controller/meta.go

@@ -0,0 +1,18 @@
+package controller
+
+import (
+	"github.com/gofiber/fiber/v2"
+	"go.uber.org/fx"
+)
+
+type Meta struct {
+	fx.In
+
+	Route            fiber.Router `name:"internal"`
+}
+
+func RegisterMeta(c GraphQL) {
+	c.Route.Get("/ping", func(c *fiber.Ctx) error {
+		return c.SendString("pong")
+	})
+}