Database: Use NeonDB as database. NeonDB is a cloud-native, open-source, and fully managed database service.

Queue: Use Redis for queue. Redis is an in-memory data structure store, used as a database, cache, and message broker.

Object Storage: Use Cloudflare R2 for Object Storage. Cloudflare R2 is a fast and reliable object storage service, built by Cloudflare.

Main App: Use Vercel for main app. Vercel is a cloud platform for static sites and Serverless Functions that fits perfectly with Next.js.

Processor and Redis: Use DigitalOcean VPS for processor and redis. DigitalOcean provides highly available, secure, and scalable virtual servers in the cloud.