Best VPS for Telegram Bots (2025) — Deployment Guide

Best VPS for Telegram Bots (2025) — Deployment Guide

Telegram bots require a server that runs 24/7. For API backends, see Deploy FastAPI on VPS to receive and respond to messages. A VPS provides 24/7 uptime and a stable IP. For Docker deployment, see VPS for Docker, and full control needed for reliable bot operation. This guide covers choosing the right VPS. For EU hosting, consider Poland VPS or Netherlands VPS written in Python and Node.js, configuring webhooks with SSL, managing processes with PM2, monitoring bot health, and scaling for high-traffic deployments.

Telegram bot deployment architecture
Telegram bot deployment architecture
Telegram bot VPS architecture
Telegram bot VPS architecture

Why a VPS Is Essential for Telegram Bots

Telegram bots communicate with users through two methods: long polling and webhooks. Long polling sends repeated requests to the Telegram API to check for new messages. Webhooks receive push notifications from Telegram servers whenever a message arrives. Both methods require a server that runs continuously, making a VPS the natural hosting choice.

24/7 availability

Your desktop computer or laptop cannot run a bot reliably. Sleep mode, network interruptions, system updates, and power outages all cause downtime. A VPS runs in a data center with redundant power, network connections, and physical security. Your bot stays online regardless of what happens with your local machine. Telegram users expect immediate responses — a bot that goes offline for hours loses user trust and engagement.

Stable IP address for webhooks

Telegram webhook configuration requires a publicly accessible URL with a valid SSL certificate. Residential internet connections typically have dynamic IP addresses that change periodically, breaking webhook configurations. A VPS provides a static IP address that remains constant for the lifetime of your server. Combined with a domain name, this gives you a permanent HTTPS endpoint for webhook delivery.

Low latency

VPS providers host servers in data centers with high-bandwidth connections to major internet exchange points. Your bot receives webhook deliveries from Telegram within milliseconds and sends responses just as quickly. Users experience near-instant bot responses regardless of their geographic location, assuming your VPS is in a reasonably central location.

Scalability

Start with a minimal VPS for a single bot. As your bot grows in user count and functionality, upgrade the VPS plan or deploy additional bots on the same server. Unlike PaaS platforms that charge per execution or per dyno, a VPS gives you a fixed resource pool to allocate however you choose. Run multiple bots, databases, and background services on the same server without per-unit charges.

VPS Requirements for Telegram Bots

Telegram bots are lightweight applications. Most bots consist of an HTTP server (for webhooks) or a polling loop, some business logic, and optionally a database connection. The resource requirements are minimal compared to web applications, databases, or AI workloads.

Bot TypevCPUsRAMStorageUse Case
Simple command bot1512 MB10 GB SSDEcho bots, command handlers, basic inline bots
Feature bot with database11 GB15 GB SSDWeather bots, reminder bots, user registration systems
Multi-bot server22 GB25 GB SSDRunning 5-15 bots simultaneously with SQLite/PostgreSQL
High-traffic bot24 GB40 GB SSD1000+ daily active users, media processing, heavy database queries
Bot + web dashboard24 GB50 GB SSDBot with admin panel, analytics dashboard, background workers
Cost insight: A 1 vCPU / 1 GB VPS from Inferno costs approximately $6/month and can comfortably run 3-5 Telegram bots with a SQLite database. This compares favorably to PaaS platforms that charge $5-7 per bot per month. If you run multiple bots, a single VPS delivers significantly better value.

Python Telegram Bot: Complete Deployment

This section deploys a production-ready Telegram bot using the python-telegram-bot library with webhook configuration.

Step 1: Server preparation

# Update system
sudo apt update && sudo apt upgrade -y

# Install Python 3.11 and pip
sudo apt install -y python3.11 python3.11-venv python3-pip python3-dev \
    build-essential libssl-dev

# Install Nginx and Certbot
sudo apt install -y nginx certbot python3-certbot-nginx

# Install PM2 for process management
sudo npm install -g pm2

# Create bot directory
mkdir -p ~/telegram-bots/mybot && cd ~/telegram-bots/mybot

# Create virtual environment
python3.11 -m venv venv
source venv/bin/activate

Step 2: Install dependencies

# Create requirements.txt
cat > requirements.txt << 'EOF'
python-telegram-bot==21.3
aiohttp==3.9.5
uvicorn==0.29.0
python-dotenv==1.0.1
SQLAlchemy==2.0.30
aiosqlite==0.20.0
EOF

# Install dependencies
pip install -r requirements.txt

Step 3: Create the bot application

cat > bot.py << 'EOF'
import logging
import os
from dotenv import load_dotenv
from telegram import Update
from telegram.ext import Application, CommandHandler, MessageHandler, filters, ContextTypes

load_dotenv()

BOT_TOKEN = os.environ.get("BOT_TOKEN")
WEBHOOK_URL = os.environ.get("WEBHOOK_URL")
PORT = int(os.environ.get("PORT", 8443))

logging.basicConfig(
    format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
    level=logging.INFO
)
logger = logging.getLogger(__name__)

async def start(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
    await update.message.reply_text(
        "Welcome! I am a production Telegram bot.\n\n"
        "Available commands:\n"
        "/start - Show this message\n"
        "/help - Display help information\n"
        "/status - Check bot status"
    )

async def help_command(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
    await update.message.reply_text(
        "This bot demonstrates a production deployment setup.\n"
        "It uses webhooks, SSL, and PM2 process management."
    )

async def status(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
    import psutil
    cpu = psutil.cpu_percent()
    memory = psutil.virtual_memory().percent
    await update.message.reply_text(
        f"Bot Status:\n"
        f"CPU Usage: {cpu}%\n"
        f"Memory Usage: {memory}%\n"
        f"Status: Operational"
    )

async def echo(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
    await update.message.reply_text(f"You said: {update.message.text}")

async def error_handler(update: object, context: ContextTypes.DEFAULT_TYPE) -> None:
    logger.error(f"Exception: {context.error}", exc_info=context.error)

def main() -> None:
    application = Application.builder().token(BOT_TOKEN).build()

    application.add_handler(CommandHandler("start", start))
    application.add_handler(CommandHandler("help", help_command))
    application.add_handler(CommandHandler("status", status))
    application.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, echo))
    application.add_error_handler(error_handler)

    application.run_webhook(
        listen="0.0.0.0",
        port=PORT,
        url_path=BOT_TOKEN,
        webhook_url=f"{WEBHOOK_URL}/{BOT_TOKEN}",
        drop_pending_updates=True,
    )
    logger.info(f"Bot started with webhook: {WEBHOOK_URL}/{BOT_TOKEN}")

if __name__ == "__main__":
    main()
EOF

# Install psutil for status command
pip install psutil

Step 4: Create environment configuration

# Create .env file
cat > .env << 'EOF'
BOT_TOKEN=your_telegram_bot_token_here
WEBHOOK_URL=https://bots.yourdomain.com
PORT=8443
EOF

# Secure the environment file
chmod 600 .env

# Get your bot token from @BotFather on Telegram
# Create a new bot with /newbot and copy the token

Step 5: Configure Nginx and SSL

# Create Nginx configuration
sudo tee /etc/nginx/sites-available/telegram-bot << 'EOF'
server {
    listen 80;
    server_name bots.yourdomain.com;

    location / {
        proxy_pass http://127.0.0.1:8443;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
    }
}
EOF

# Enable the site
sudo ln -s /etc/nginx/sites-available/telegram-bot /etc/nginx/sites-enabled/
sudo nginx -t
sudo systemctl reload nginx

# Obtain SSL certificate
sudo certbot --nginx -d bots.yourdomain.com --non-interactive \
    --agree-tos -m your@email.com

Step 6: Start with PM2

# Create PM2 ecosystem configuration
cat > ecosystem.config.js << 'EOF'
module.exports = {
  apps: [{
    name: "mybot",
    script: "bot.py",
    interpreter: "/home/$USER/telegram-bots/mybot/venv/bin/python",
    cwd: "/home/$USER/telegram-bots/mybot",
    env_file: ".env",
    instances: 1,
    autorestart: true,
    max_memory_restart: "200M",
    error_file: "/home/$USER/telegram-bots/mybot/logs/error.log",
    out_file: "/home/$USER/telegram-bots/mybot/logs/out.log",
    log_date_format: "YYYY-MM-DD HH:mm:ss Z",
    merge_logs: true,
  }]
};
EOF

# Create logs directory
mkdir -p ~/telegram-bots/mybot/logs

# Replace $USER in ecosystem file
sed -i "s/\$USER/$USER/g" ecosystem.config.js

# Start the bot
pm2 start ecosystem.config.js

# Save PM2 configuration for auto-start on reboot
pm2 save
pm2 startup

# Check bot status
pm2 status

# View live logs
pm2 logs mybot

Node.js Telegram Bot: Complete Deployment

This section deploys a Telegram bot using the Telegraf framework with Node.js.

Step 1: Install Node.js and initialize project

# Install Node.js 20 LTS via NodeSource
curl -fsSL https://deb.nodesource.com/setup_20.x | sudo -E bash -
sudo apt install -y nodejs

# Verify installation
node --version
npm --version

# Create project directory
mkdir -p ~/telegram-bots/nodebot && cd ~/telegram-bots/nodebot

# Initialize project
npm init -y

# Install dependencies
npm install telegraf dotenv express

Step 2: Create the bot application

cat > bot.js << 'EOF'
require('dotenv').config();
const { Telegraf } = require('telegraf');
const express = require('express');

const BOT_TOKEN = process.env.BOT_TOKEN;
const PORT = process.env.PORT || 3000;
const WEBHOOK_URL = process.env.WEBHOOK_URL;

const bot = new Telegraf(BOT_TOKEN);

// Command handlers
bot.start((ctx) => {
    ctx.reply(
        "Welcome! I am a Node.js Telegram bot.\n\n" +
        "Commands:\n" +
        "/start - Welcome message\n" +
        "/help - Help information\n" +
        "/ping - Check response time"
    );
});

bot.help((ctx) => {
    ctx.reply("This bot runs on Telegraf with webhooks, Express, and PM2.");
});

bot.command('ping', async (ctx) => {
    const start = Date.now();
    await ctx.reply("Calculating...");
    const latency = Date.now() - start;
    ctx.reply(`Response latency: ${latency}ms`);
});

// Text message handler
bot.on('text', (ctx) => {
    ctx.reply(`You said: ${ctx.message.text}`);
});

// Error handling
bot.catch((err, ctx) => {
    console.error(`Error for ${ctx.updateType}:`, err);
});

// Express server for webhook
const app = express();
app.use(express.json());

app.get('/health', (req, res) => {
    res.json({ status: 'ok', uptime: process.uptime() });
});

// Start webhook mode
if (WEBHOOK_URL) {
    app.use(bot.webhookCallback(`/webhook/${BOT_TOKEN}`));
    bot.telegram.setWebhook(`${WEBHOOK_URL}/webhook/${BOT_TOKEN}`)
        .then(() => {
            console.log(`Webhook set: ${WEBHOOK_URL}/webhook/${BOT_TOKEN}`);
            app.listen(PORT, () => {
                console.log(`Server listening on port ${PORT}`);
            });
        })
        .catch(console.error);
} else {
    bot.launch().then(() => {
        console.log('Bot started in polling mode');
    });
}

// Graceful shutdown
process.once('SIGINT', () => bot.stop('SIGINT'));
process.once('SIGTERM', () => bot.stop('SIGTERM'));
EOF

Step 3: Configure and start

# Create .env file
cat > .env << 'EOF'
BOT_TOKEN=your_telegram_bot_token_here
WEBHOOK_URL=https://bots.yourdomain.com
PORT=3000
EOF
chmod 600 .env

# Create PM2 configuration
cat > ecosystem.config.js << 'EOF'
module.exports = {
  apps: [{
    name: "nodebot",
    script: "bot.js",
    instances: 1,
    autorestart: true,
    max_memory_restart: "150M",
    env: {
      NODE_ENV: "production"
    },
    error_file: "./logs/error.log",
    out_file: "./logs/out.log",
    log_date_format: "YYYY-MM-DD HH:mm:ss Z",
  }]
};
EOF

mkdir -p logs

# Update Nginx to proxy to port 3000 for the Node.js bot
sudo tee /etc/nginx/sites-available/telegram-bot << 'EOF'
server {
    listen 80;
    server_name bots.yourdomain.com;

    # Python bot
    location /7123456789:AAH_bot_token_1/ {
        proxy_pass http://127.0.0.1:8443;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    # Node.js bot
    location /7123456789:BBH_bot_token_2/ {
        proxy_pass http://127.0.0.1:3000;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}
EOF

sudo nginx -t && sudo systemctl reload nginx

# Start the Node.js bot
pm2 start ecosystem.config.js
pm2 save

Webhook vs Long Polling: Which to Choose

FeatureWebhookLong Polling
Response speedInstant (push notification)1-3 second delay (polling interval)
Server loadLow (only receives requests)Higher (continuous polling requests)
RequirementsPublic HTTPS URL, SSL certificateOutbound internet access only
Setup complexityMedium (Nginx + SSL + domain)Low (just run the bot)
ReliabilityHigh (Telegram pushes to you)Medium (can miss updates during network issues)
ScalabilityBetter for high trafficSuitable for low-traffic bots
Behind NAT/CGNNot possibleWorks fine

Use webhooks for all production bots. The instant response time, lower server load, and better reliability make webhooks the superior choice. Long polling is acceptable for development, testing, or bots running in restricted network environments where you cannot receive inbound connections.

PM2 Process Manager: Complete Configuration

PM2 keeps your bots running, automatically restarts them after crashes, and manages log files. It is the standard process manager for Node.js applications and works equally well for Python bots.

# Common PM2 commands
pm2 list                    # List all running processes
pm2 logs                    # View all logs
pm2 logs mybot              # View logs for specific bot
pm2 restart mybot           # Restart a bot
pm2 stop mybot              # Stop a bot
pm2 delete mybot            # Remove a bot from PM2
pm2 monit                   # Real-time monitoring dashboard

# Auto-restart on server reboot
pm2 startup                 # Generate startup script
pm2 save                    # Save current process list

# Resource monitoring
pm2 show mybot              # Detailed process info
pm2 describe mybot          # Metadata and environment

# Log management
pm2 flush                   # Clear all logs
pm2 install pm2-logrotate   # Auto-rotate logs when they exceed size

# Cluster mode (for high-traffic bots, requires stateless design)
pm2 start bot.js -i max     # Use all available CPU cores
pm2 start bot.js -i 2       # Use exactly 2 instances

Database Integration for Telegram Bots

# SQLite setup (simplest option, built into Python)
# In your bot code:
import sqlite3

conn = sqlite3.connect('bot_database.db')
cursor = conn.cursor()
cursor.execute('''
    CREATE TABLE IF NOT EXISTS users (
        user_id INTEGER PRIMARY KEY,
        username TEXT,
        first_name TEXT,
        joined_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
    )
''')
conn.commit()

# PostgreSQL setup (for production, multiple bots)
sudo apt install -y postgresql postgresql-contrib
sudo -u postgres psql -c "CREATE DATABASE telegram_bots;"
sudo -u postgres psql -c "CREATE USER botuser WITH PASSWORD 'secure_password';"
sudo -u postgres psql -c "GRANT ALL PRIVILEGES ON DATABASE telegram_bots TO botuser;"

# Add to Python requirements.txt:
# asyncpg==0.29.0
# SQLAlchemy==2.0.30

# Connection string format:
# DATABASE_URL=postgresql://botuser:secure_password@localhost:5432/telegram_bots

Monitoring and Alerting

# Create a health check script for all bots
cat > ~/telegram-bots/healthcheck.sh << 'EOF'
#!/bin/bash
# Health check for Telegram bots
ALERT_EMAIL="your@email.com"
LOG="/var/log/bot-healthcheck.log"

check_bot() {
    local bot_name=$1
    local status=$(pm2 pid $bot_name 2>/dev/null)
    if [ -z "$status" ]; then
        echo "$(date): $bot_name is DOWN. Restarting..." >> $LOG
        pm2 restart $bot_name
    fi
}

check_bot mybot
check_bot nodebot

# Check if PM2 itself is running
if ! pgrep -x "PM2" > /dev/null; then
    echo "$(date): PM2 is not running. Starting..." >> $LOG
    pm2 resurrect
fi

# Check disk space
DISK_USAGE=$(df / | tail -1 | awk '{print $5}' | tr -d '%')
if [ "$DISK_USAGE" -gt 90 ]; then
    echo "$(date): Disk usage at ${DISK_USAGE}%" >> $LOG
fi
EOF
chmod +x ~/telegram-bots/healthcheck.sh

# Run every 2 minutes
(crontab -l 2>/dev/null; echo "*/2 * * * * ~/telegram-bots/healthcheck.sh") | crontab -

Scaling for High-Traffic Bots

A single bot instance can handle approximately 30-50 messages per second depending on the complexity of your handler logic and database queries. If your bot serves thousands of concurrent users, consider these scaling strategies.

Horizontal scaling with PM2 cluster mode

Run multiple instances of your bot behind a load balancer. PM2 cluster mode distributes incoming webhook requests across instances. This requires your bot to be stateless (no in-memory state that is specific to an instance).

# Run 4 instances of the bot
pm2 start bot.js -i 4 --name "mybot-cluster"

# PM2 automatically distributes webhook requests across instances

Message queue for heavy processing

For bots that perform CPU-intensive operations (image processing, AI inference, data analysis), offload work to a background queue. Redis with BullMQ (Node.js) or Celery (Python) provides a reliable message queue that decouples webhook handling from processing.

Pricing Comparison: VPS vs PaaS for Telegram Bots

ProviderPriceSpecsBots SupportedLimitations
Inferno VPS$6/mo1 vCPU, 1 GB, 20 GB NVMe3-5 botsRequires setup, full control
Inferno VPS$8/mo2 vCPU, 2 GB, 40 GB NVMe10-15 botsBest value for multiple bots
Railway$5/mo512 MB RAM, 500 hrs1-2 botsUsage-based billing, execution limits
Heroku$7/mo (Eco)512 MB RAM1 botDynos sleep after inactivity, webhooks break
Render$7/mo512 MB RAM1 botSpins down after inactivity (free tier), unreliable for webhooks
Fly.io$3-5/mo256 MB shared CPU1-2 botsComplex pricing, bandwidth charges, limited memory
Value comparison: A single $8/month Inferno VPS can replace 5-10 Heroku dynos ($35-70/month) for hosting multiple Telegram bots. The VPS provides consistent uptime without sleep modes, spin-down periods, or execution limits that plague PaaS free tiers and make them unreliable for webhook-based bots.

Security Best Practices

# Configure UFW firewall
sudo ufw default deny incoming
sudo ufw default allow outgoing
sudo ufw allow 22/tcp     # SSH
sudo ufw allow 80/tcp     # HTTP (for certbot)
sudo ufw allow 443/tcp    # HTTPS
sudo ufw enable

# Never expose bot ports directly
# Bot should only be accessible through Nginx on 443

# Disable root SSH login
sudo sed -i 's/#PermitRootLogin.*/PermitRootLogin no/' /etc/ssh/sshd_config
sudo systemctl restart sshd

# Use SSH key authentication only
sudo sed -i 's/#PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config
sudo systemctl restart sshd

# Install fail2ban
sudo apt install -y fail2ban
sudo systemctl enable fail2ban

# Rate limit bot endpoints in Nginx
# Add to server block:
# limit_req_zone $binary_remote_addr zone=botlimit:10m rate=30r/m;

# Restrict Telegram webhook path
# Only allow Telegram IPs (optional, but adds a layer of security)
# Telegram uses IPs from 149.154.160.0/20 and 91.108.4.0/22

Pros and Cons: VPS for Telegram Bots

Advantages

  • 24/7 uptime with no sleep mode or spin-down periods
  • Flat monthly pricing regardless of message volume
  • Host multiple bots on a single server
  • Static IP address for reliable webhook configuration
  • Full control over runtime, libraries, and configurations
  • Can integrate with databases, APIs, and background workers
  • Easy to scale by upgrading the VPS plan
  • PM2 provides automatic restart, logging, and monitoring
  • Lower cost at scale compared to PaaS platforms

Disadvantages

  • Requires Linux server administration knowledge
  • Must manage SSL certificates and domain configuration
  • Responsible for security updates and patches
  • No built-in auto-scaling or load balancing
  • Single point of failure unless you configure redundancy
  • Initial setup takes 20-40 minutes per bot
  • No managed database (must install and maintain separately)

Troubleshooting Common Issues

Webhook not working

Verify your Nginx configuration is correct and SSL is active. Test with curl -v https://bots.yourdomain.com/<token>. Check that your bot is listening on the correct port. Ensure your firewall allows inbound traffic on ports 80 and 443. Verify the webhook was set correctly with curl https://api.telegram.org/bot<token>/getWebhookInfo.

Bot responds slowly

Check database query performance with slow query logging. Profile handler functions for bottlenecks. Verify the VPS is not CPU or memory constrained with htop. If the bot makes external API calls, check for network latency. Consider caching frequent API responses with Redis.

PM2 crashes repeatedly

Check error logs with pm2 logs mybot --err. Common causes: out-of-memory errors (increase max_memory_restart), unhandled exceptions in bot code, missing environment variables, or database connection failures. Set max_restarts to prevent infinite restart loops.

Messages arrive out of order

Telegram does not guarantee message delivery order when using webhooks during high traffic. If order matters for your bot's logic, implement a message queue that processes messages sequentially. For most bots, out-of-order delivery is not a significant issue since each message is handled independently.

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Frequently Asked Questions

Can I run multiple Telegram bots on one VPS?

Yes. A 2 vCPU / 2 GB VPS can run 10-15 bots simultaneously. Each bot uses approximately 50-150 MB of RAM at idle. Use PM2 to manage all bots as separate processes. Assign each bot a unique port and configure Nginx to route webhook requests by URL path (each bot's webhook path includes its unique token). All bots share the same SSL certificate and domain.

Do I need a domain name for a Telegram bot?

Technically, you can use your VPS IP address for webhooks (Telegram supports IP-based webhooks), but a domain name is strongly recommended. Domains provide a permanent address that survives server migrations, look more professional, and are required by most SSL certificate providers. A .com domain costs approximately $10/year.

What happens if my VPS goes down?

Your bot goes offline and cannot receive or respond to messages. Telegram queues webhook deliveries for a short period (typically a few minutes to an hour depending on load). When your server comes back online, queued messages are delivered. For critical bots, consider setting up monitoring (UptimeRobot, BetterUptime) that alerts you immediately when your server becomes unreachable.

How much bandwidth does a Telegram bot use?

Text-based bots use very little bandwidth — typically 10-100 MB per day for a bot with moderate user activity. Bots that send or receive images, videos, or documents consume significantly more. A bot sending 100 images per day at 500 KB each uses approximately 50 MB/day (1.5 GB/month). Most VPS plans include 1-4 TB of monthly bandwidth, which is more than sufficient.

Is Python or Node.js better for Telegram bots?

Both are excellent choices. Python has the python-telegram-bot and aiogram libraries, which provide comprehensive Telegram API coverage. Python is also advantageous if your bot integrates with AI/ML libraries, data processing tools, or scientific computing packages. Node.js with Telegraf offers strong async performance and is ideal if your bot needs real-time features, WebSocket connections, or integrates with a Node.js web application stack. Choose based on your existing skills and ecosystem requirements.

How do I update my Telegram bot code?

For PM2-managed bots, pull the latest code from your Git repository (or upload new files), then restart the process: pm2 restart mybot. The bot briefly goes offline during the restart (typically 1-3 seconds). For zero-downtime updates with PM2 cluster mode, use pm2 reload mybot, which restarts instances one at a time. Always test updates in a development environment before deploying to production.

Do I need PM2 to run a Telegram bot?

No, but it is strongly recommended. Without PM2, your bot stops if the process crashes, the server reboots, or you accidentally close the terminal session. PM2 provides automatic restarts, log management, monitoring, and startup scripts that keep your bot running through server reboots. Alternatives include systemd service files, supervisor, or running the bot in a Docker container with --restart=always.

Can I use a free VPS for a Telegram bot?

Free VPS tiers (Oracle Cloud Always Free, Google Cloud free tier) can run Telegram bots, but they come with limitations. Oracle Cloud's Always Free tier provides 1 GB ARM instances that work for 1-2 bots. Google Cloud's e2-micro instance provides similar specs but restricts egress bandwidth. Free tiers can be revoked, have limited support, and may not provide reliable long-term hosting for production bots. A $5-8/month paid VPS delivers significantly better reliability and performance.

How do I add a database to my Telegram bot?

SQLite is the simplest option — it requires no separate server and stores data in a single file. For production use with concurrent access, PostgreSQL provides better performance and reliability. Install PostgreSQL with sudo apt install postgresql, create a database and user, and connect from your bot using an async driver (asyncpg for Python, pg for Node.js). Use an ORM like SQLAlchemy (Python) or Prisma (Node.js) for easier database management.

What is the maximum number of users a VPS-hosted bot can handle?

A single bot instance on a 1 vCPU / 1 GB VPS can handle 50-100 messages per second for simple text responses. With database queries and complex logic, expect 10-30 messages per second. This translates to approximately 50,000-100,000 daily active users for simple bots. For bots with heavy processing requirements, use PM2 cluster mode or message queues to scale horizontally.