Daily Weather Notifier

A side project built with Fastify, BullMQ, Redis, and Prisma to send daily or weekly weather forecast emails to subscribers.
The system fetches weather data, caches results by location, and distributes emails efficiently

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Features

• Email subscribers with daily or weekly forecasts.
• Location-based grouping — fetch forecast once per country, share across subscribers.
• Job queues with BullMQ for scalability & retries.
• Redis caching to avoid repeated API calls for the same location/date.
• Built with TypeScript, Fastify, Prisma ORM

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Tech Stack

• Fastify – API server
• Prisma – Database ORM (PostgreSQL/MySQL/SQLite)
• BullMQ – Job queue for scheduling and workers
• Redis – Queue backend & caching
• Nodemailer – Email sending
• TypeScript – Strict typing