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Building a Water Tracking Telegram Bot with Cloudflare Workers and grammY

flashblaze

3mo ago· 5 min readen

100/100

Golden Brown

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Summary

A technical walkthrough detailing how to build a Telegram bot for water consumption tracking using Cloudflare Workers, Durable Objects, and the grammY framework. The article covers the motivation (personal need to track water intake), technical implementation including setting up webhooks, handling bot responses, dynamic command registration, and deployment to Cloudflare's serverless platform. It emphasizes practical learning and demonstrates how to create a functional bot with persistent per-user data storage using Durable Objects.

Key quotes

· 3 pulled

I then started keeping track of how much water I drank, but then I used to miss a couple of days. So I thought, why not create an app to track this and also remind myself to drink water.

Durable Objects are used for per-person DB and grammY is used to interact with the Telegram API

Things I learned: Setting webhook URL, Bot not responding to messages, Commands can be registered dynamically, Not everything has to be AI

Snippet from the RSS feed

Walkthrough on how to build and deploy a Telegram bot to Cloudflare Workers. Durable Objects are used for per-person DB and grammY is used to interact with the Telegram API

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