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A Telegram bot is an automated program that interacts with users via messages, performing tasks like answering queries, sending notifications, or integrating with third-party services.
Popular libraries for building Telegram bots in JavaScript/TypeScript include node-telegram-bot-api and Telegraf. Both offer rich features and an easy-to-use API, with Telegraf being more suitable for middleware-based development and `node-telegram-bot-api` offering simpler polling and webhook options.
For more advanced bots, integrating a database like PostgreSQL, MongoDB, or Firebase is essential for storing user data, preferences, and bot interaction history. This allows for personalized experiences and complex functionalities like session management.
You can host your bot on cloud platforms like AWS, Google Cloud, or Heroku. For local development, you can use ngrok to expose your bot to the internet.
