Fix headers

handler_utils/debug.go

@@ -37,12 +37,20 @@ func ServeHTTPFunctions(lambdaHandler lambda.Handler, w http.ResponseWriter, req
 		query[key] = values[0]
 	}
 
+	headers := map[string]string{}
+	for key, values := range req.Header {
+		if len(values) > 0 {
+			headers[key] = values[0]
+		}
+	}
+
 	// Call lambda function
 	request := events.APIGatewayProxyRequest{
 		Resource:              req.URL.Path,
 		HTTPMethod:            req.Method,
 		QueryStringParameters: query,
 		Body:                  body,
+		Headers:               headers,
 	}
 
 	jsonRequest, _ := json.Marshal(request)