feat: add environment variable to disable built-in rate limiting

backend/internal/common/env_config.go

@@ -49,6 +49,7 @@ type EnvConfigSchema struct {
 	AllowDowngrade        bool   `env:"ALLOW_DOWNGRADE"`
 	InternalAppURL        string `env:"INTERNAL_APP_URL"`
 	UiConfigDisabled      bool   `env:"UI_CONFIG_DISABLED"`
+	DisableRateLimiting   bool   `env:"DISABLE_RATE_LIMITING"`
 
 	FileBackend                     string `env:"FILE_BACKEND" options:"toLower"`
 	UploadPath                      string `env:"UPLOAD_PATH"`

backend/internal/middleware/rate_limit.go

@@ -17,6 +17,12 @@ func NewRateLimitMiddleware() *RateLimitMiddleware {
 }
 
 func (m *RateLimitMiddleware) Add(limit rate.Limit, burst int) gin.HandlerFunc {
+	if common.EnvConfig.DisableRateLimiting {
+		return func(c *gin.Context) {
+			c.Next()
+		}
+	}
+
 	// Map to store the rate limiters per IP
 	var clients = make(map[string]*client)
 	var mu sync.Mutex