How to prevent folder to deploy on Azure app serive

I build a node js project for learning purpose and i deploy it on azure app serivce. It works fine, I don't face any kind of issue during deployment or after deployment. But i want to prevent or restrict a folder to not to deploy on azure app service during deployment. Suppose my folder name is logs. So how i prevent logs folder to not to deploy.
Can any one please help me on this.