Site Monitor Bot

A Telegram bot that monitors your websites and servers. Get notified when a site goes down and receive daily status reports.

Features

• Monitor multiple websites
• Automatic checks every 5 minutes
• Instant alerts when a site goes down or comes back up
• Daily status reports at your preferred time
• Response time tracking

Tech Stack

• NestJS
• Telegraf (Telegram Bot API)
• TypeORM + SQLite
• Node.js 18+

Setup

1. Get a Telegram Bot Token

1. Open Telegram and search for @BotFather
2. Send /newbot command
3. Follow the instructions to create your bot
4. Copy the token

2. Configure Environment

Create a .env file in the project root:

BOT_TOKEN=your_telegram_bot_token_here

3. Install Dependencies

npm install

4. Run the Bot

Development:

npm run start:dev

Production:

npm run build
npm start

Bot Commands

Command	Description
/start	Start the bot
/add <url>	Add a site to monitor
/remove <id>	Remove a site
/list	List all monitored sites
/status	Show current status of all sites
/check	Check all sites now
/settime <HH:MM>	Set daily report time
/help	Show help

Usage Example

/add google.com
/add my-server.com
/settime 09:00
/status

Deploy to Railway

1. Push your code to GitHub
2. Go to railway.app
3. Create a new project from GitHub repo
4. Add environment variable: BOT_TOKEN
5. Deploy

Live demo: https://web-production-ca996.up.railway.app

Project Structure

src/
  app.module.ts        # Main module
  main.ts              # Entry point
  bot/                 # Telegram bot handlers
  monitor/             # Site checking logic
  sites/               # Site entity and service
  users/               # User entity and service

License

MIT