File Storage

# Storage provider selection
FILE_PROVIDER=LOCAL                  # LOCAL | S3 | WASABI | CLOUDINARY | DIGITALOCEAN

# Local storage
FILE_LOCAL_PATH=./apps/api/assets

# AWS S3
AWS_ACCESS_KEY_ID=your-key
AWS_SECRET_ACCESS_KEY=your-secret
AWS_REGION=us-east-1
AWS_S3_BUCKET=gauzy-files
S3_FORCE_PATH_STYLE=false

# Wasabi (S3-compatible)
WASABI_ACCESS_KEY_ID=your-key
WASABI_SECRET_ACCESS_KEY=your-secret
WASABI_REGION=us-east-1
WASABI_SERVICE_URL=https://s3.wasabisys.com
WASABI_S3_BUCKET=gauzy-files

# Cloudinary
CLOUDINARY_CLOUD_NAME=your-cloud
CLOUDINARY_API_KEY=your-key
CLOUDINARY_API_SECRET=your-secret

# DigitalOcean Spaces
DIGITALOCEAN_ACCESS_KEY_ID=your-key
DIGITALOCEAN_SECRET_ACCESS_KEY=your-secret
DIGITALOCEAN_REGION=nyc3
DIGITALOCEAN_S3_BUCKET=gauzy-files
DIGITALOCEAN_SERVICE_URL=https://nyc3.digitaloceanspaces.com

Upload Request
  │
  ├── FileStorageFactory
  │     ├── Selects provider based on FILE_PROVIDER
  │     └── Returns provider-specific storage instance
  │
  ├── Provider Instance
  │     ├── upload(file) → URL
  │     ├── download(key) → Buffer
  │     ├── delete(key) → void
  │     └── getSignedUrl(key) → URL
  │
  └── Response with file URL