You can, but it’s risky. If your server instance has a major failure, you could lose your backups along with the app. Also, local disk space is usually more expensive and harder to scale than dedicated object storage.
S3 compatible storage is designed to be independent and highly durable. It’s built for “unstructured data” like images, videos, and backups. Since it’s independent of your compute instance, your files stay safe and accessible even if you’re rebuilding your main server.
Using a managed cloud platform like AccuWeb.Cloud for storage gives you a safer way to secure files with automated backups and easy sharing. It’s a best practice to keep your “data layer” separate from your “compute layer” for better reliability.