# Pick a founder stack

Curated source collection, not a live research digest.

Source documentation checked: 2026-10-09 (UTC). Directory digest: `d6020b185c1948e1d2ea6265edcb6d00574ca822925016219babede247d38cdd`.

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## Pick a founder stack

Compare a small operating stack against a startup's workload, budget and migration needs.

Decision question: Which email, login, compute and storage choices fit the product and its operating budget?

When to revisit: At initial design and during reviews of cost, reliability, customer requirements or migration needs.

Agent research task: Compare two workable stacks for the supplied constraints. Assign one owner to login, email, compute and storage; cite current limits and explain what remains custom. Do not create accounts or spend money.

Compare:

- job and deployment constraints
- current limits and billing units
- identity and secret ownership
- backup and export path
- failure and migration procedure

Sources:

- [Cloudflare Workers](https://developers.cloudflare.com/workers/): Application hosting documentation for request handlers and related Cloudflare services. Public documentation; deploying an application requires an account and explicit resource authority. Check runtime limits, bindings, billing and migration constraints for the actual workload.
- [Cloudflare R2](https://developers.cloudflare.com/r2/): Object-storage documentation for application files, datasets and media. Public documentation; bucket access and writes require scoped credentials. Storage does not establish content rights. Compare operations, retention, integrity checks and delivery controls.
- [Fly.io](https://docs.fly.io/): Application and Machine documentation for workloads needing process and filesystem control. Public documentation; deployment and resource changes require account authority. Compare persistent storage, backups, regions, resource limits and operating costs for the chosen workload.
- [Resend](https://resend.com/docs/introduction): Transactional email integration documentation for application messages. Sending requires a configured account, verified sender and an authorized message. A delivery integration is not consent to marketing. Check suppression, unsubscribe and provider requirements.
- [Better Auth](https://better-auth.com/docs/introduction): Application authentication documentation covering a self-managed integration and supported features. Public documentation. Select and test the database adapter, account recovery and session settings. A library installation is not a secure migration. Test identity ownership, revocation and account linking.

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