Cloudflare R2 image folder recommendation

/products/{product-slug}/main.webp
/products/{product-slug}/angle-01.webp
/products/{product-slug}/detail-01.webp
/products/{product-slug}/packaging.webp
/categories/press-on-nails.webp
/brand/logo.svg
/marketing/hero-home.webp

Recommended product image size: 1600 x 1600 px, WebP, under 350 KB when possible.
Use lowercase file names and hyphens. Avoid spaces and Chinese characters in public URLs.
Set NEXT_PUBLIC_R2_PUBLIC_URL=https://assets.yourdomain.com in Vercel.