prevent concurrent map write relying on project immutability

Signed-off-by: Nicolas De Loof <[email protected]>

pkg/compose/restart.go

@@ -56,13 +56,16 @@ func (s *composeService) restart(ctx context.Context, projectName string, option
 	}
 
 	// ignore depends_on relations which are not impacted by restarting service or not required
-	for i, service := range project.Services {
-		for name, r := range service.DependsOn {
+	project, err = project.WithServicesTransform(func(name string, s types.ServiceConfig) (types.ServiceConfig, error) {
+		for name, r := range s.DependsOn {
 			if !r.Restart {
-				delete(service.DependsOn, name)
+				delete(s.DependsOn, name)
 			}
 		}
-		project.Services[i] = service
+		return s, nil
+	})
+	if err != nil {
+		return err
 	}
 
 	if len(options.Services) != 0 {