linting

api/pkg/server/grpcapp/app.go

@@ -156,8 +156,9 @@ func (a *App[T]) Start() error {
 		}
 
 		a.metricsSrv = &http.Server{
-			Addr:    addr,
-			Handler: router,
+			Addr:              addr,
+			Handler:           router,
+			ReadHeaderTimeout: 5 * time.Second,
 		}
 		go func() {
 			a.logger.Info("Prometheus metrics server starting", zap.String("address", addr))
@@ -185,7 +186,7 @@ func (a *App[T]) Start() error {
 	}
 	a.logger.Debug("GRPC services registered")
 
-	a.runCtx, a.cancel = context.WithCancel(context.Background())
+	a.runCtx, a.cancel = context.WithCancel(context.Background()) //nolint:gosec // Cancellation func is retained on app state and invoked on Shutdown.
 	a.logger.Debug("GRPC server context initialised")
 
 	if err := a.grpc.Start(a.runCtx); err != nil {
@@ -219,9 +220,6 @@ func (a *App[T]) Start() error {
 }
 
 func (a *App[T]) Shutdown(ctx context.Context) {
-	if ctx == nil {
-		ctx = context.Background()
-	}
 	if a.cancel != nil {
 		a.cancel()
 	}