fix: issues

backend/app/http/posts/dto.go

@@ -30,3 +30,11 @@ type UserPostFilter struct {
 	CreatedAt *time.Time `query:"created_at"`
 	Keyword   *string    `json:"title"`
 }
+
+type PostBody struct {
+	Title       string
+	Description string
+	Content     string
+	Price       int64
+	Discount    int16
+}