LinkQuota
Netlify Edge relay with a VPS-side VLESS subscription manager for routing traffic through a Netlify domain while managing per-customer accounts, subscription links, quota, expiry, and enable/disable state.
LinkQuota is a small, auditable stack for operators who manage per-customer VLESS accounts on their own infrastructure. It pairs a Netlify Edge relay with a VPS-side manager that handles subscriptions, quota, expiry, and account state.
Role
Infrastructure and Automation Engineer
Timeline
Ongoing
Delivery
Structured implementation across design, engineering, and release phases.
Challenge
- Route regular, managed, and subscription traffic through clear paths.
- Manage per-customer accounts, quota, and expiry without manual overhead.
- Keep the public repository safe by excluding all secrets and customer data.
Solution
- Built a Netlify Edge Function relay with route selection for each traffic type.
- Implemented a VPS-side CLI for add, list, update, enable/disable, and enforce actions.
- Added quota and expiry enforcement via a systemd timer and managed Xray config generation.
Architecture
- Netlify Edge Function relay forwarding to an upstream service.
- VPS-side customer manager CLI plus a plain-text subscription server.
- Nginx reverse proxy with subscription, managed, and health routes; optional Telegram admin bot.
Outcomes
- Provided a compact, auditable stack for managing VLESS subscriptions.
- Automated quota and expiry enforcement to reduce manual operations.
- Kept secrets and customer data out of the public repository by design.
Next Steps
- Expand monitoring and reporting around quota usage.
- Add more automation for customer lifecycle events.
- Improve setup tooling for new deployments.
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