Telegram-Audio-Downloader

🚀 Deployment Guide - Telegram Audio Downloader

Version: 1.0.0
Updated: 2024-01-20
Target Audience: System Administrators, DevOps Engineers

📋 Table of Contents

  1. Deployment Overview
  2. Production Environment
  3. Docker Deployment
  4. Kubernetes Deployment
  5. Monitoring & Logging
  6. Security Configuration
  7. Backup & Recovery
  8. Scaling Strategies

🏗️ Deployment Overview

Deployment Architecture

graph TB
    A[Load Balancer] --> B[Web Interface]
    A --> C[API Gateway]
    
    B --> D[Download Service 1]
    B --> E[Download Service 2]
    B --> F[Download Service N]
    
    D --> G[Storage Volume 1]
    E --> H[Storage Volume 2]
    F --> I[Storage Volume N]
    
    D --> J[Shared Database]
    E --> J
    F --> J
    
    K[Monitoring] --> D
    K --> E
    K --> F
    
    L[Backup Service] --> G
    L --> H
    L --> I
    L --> J

Deployment Modes

  1. Single Node: Simple deployment on one server
  2. Multi-Node: Distributed across multiple servers
  3. Container: Docker-based deployment
  4. Orchestrated: Kubernetes/Docker Swarm
  5. Cloud: AWS/GCP/Azure deployment

🏢 Production Environment

System Requirements

Production Environment:
  CPU: 8+ cores (Intel Xeon/AMD EPYC)
  RAM: 32+ GB DDR4
  Storage: 
    - OS: 100GB SSD
    - Downloads: 2TB+ NVMe SSD RAID
    - Database: 50GB SSD
  Network: 1Gbps+ dedicated connection
  OS: Ubuntu 22.04 LTS or CentOS Stream 9

Production Installation

#!/bin/bash
# production_install.sh

set -e

# Update system
apt update && apt upgrade -y

# Install dependencies
apt install -y python3.11 python3.11-venv nginx postgresql redis-server \
    supervisor htop iotop nethogs fail2ban ufw

# Create application user
useradd -m -s /bin/bash telegram-downloader
usermod -aG sudo telegram-downloader

# Setup application directory
mkdir -p /opt/telegram-audio-downloader
chown telegram-downloader:telegram-downloader /opt/telegram-audio-downloader

# Setup storage directories
mkdir -p /data/downloads /data/database /data/logs /data/cache
chown -R telegram-downloader:telegram-downloader /data/

# Install application
sudo -u telegram-downloader bash << 'EOF'
cd /opt/telegram-audio-downloader
python3.11 -m venv venv
source venv/bin/activate
pip install --upgrade pip
pip install telegram-audio-downloader[production]

# Create configuration
mkdir -p config
cat > config/production.ini << 'INIEOF'
[database]
url = postgresql://telegram:password@localhost/telegram_downloader

[storage]
download_dir = /data/downloads
cache_dir = /data/cache
log_dir = /data/logs

[performance]
max_concurrent_downloads = 16
rate_limit_delay = 0.3
worker_processes = 4

[monitoring]
enable_metrics = true
metrics_port = 9090
health_check_port = 8080
INIEOF

EOF

echo "✅ Production installation completed"

System Configuration

# /etc/systemd/system/telegram-downloader.service
[Unit]
Description=Telegram Audio Downloader Service
After=network.target postgresql.service redis.service
Wants=postgresql.service redis.service

[Service]
Type=forking
User=telegram-downloader
Group=telegram-downloader
WorkingDirectory=/opt/telegram-audio-downloader
Environment=PATH=/opt/telegram-audio-downloader/venv/bin
Environment=CONFIG_FILE=/opt/telegram-audio-downloader/config/production.ini
ExecStart=/opt/telegram-audio-downloader/venv/bin/telegram-audio-downloader serve --daemon
ExecReload=/bin/kill -HUP $MAINPID
KillMode=mixed
Restart=always
RestartSec=10

[Install]
WantedBy=multi-user.target

🐳 Docker Deployment

Production Dockerfile

# Dockerfile.production
FROM python:3.11-slim

# Install system dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    libc6-dev \
    libffi-dev \
    && rm -rf /var/lib/apt/lists/*

# Create application user
RUN groupadd -r telegram && useradd -r -g telegram telegram

# Set up application directory
WORKDIR /app
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY --chown=telegram:telegram . .

# Create necessary directories
RUN mkdir -p /data/downloads /data/cache /data/logs && \
    chown -R telegram:telegram /data/

# Switch to non-root user
USER telegram

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8080/health || exit 1

# Expose ports
EXPOSE 8080 9090

# Start application
CMD ["telegram-audio-downloader", "serve", "--config", "/app/config/docker.ini"]

Docker Compose

# docker-compose.production.yml
version: '3.8'

services:
  telegram-downloader:
    build:
      context: .
      dockerfile: Dockerfile.production
    container_name: telegram-downloader
    restart: unless-stopped
    ports:
      - "8080:8080"
      - "9090:9090"
    volumes:
      - downloads_data:/data/downloads
      - cache_data:/data/cache
      - logs_data:/data/logs
      - ./config:/app/config:ro
    environment:
      - DATABASE_URL=postgresql://postgres:password@postgres:5432/telegram_downloader
      - REDIS_URL=redis://redis:6379/0
    depends_on:
      - postgres
      - redis
    networks:
      - telegram_network
    deploy:
      resources:
        limits:
          memory: 2G
          cpus: '2'
        reservations:
          memory: 1G
          cpus: '1'

  postgres:
    image: postgres:15
    container_name: telegram-postgres
    restart: unless-stopped
    environment:
      - POSTGRES_DB=telegram_downloader
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=password
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./scripts/init.sql:/docker-entrypoint-initdb.d/init.sql:ro
    networks:
      - telegram_network

  redis:
    image: redis:7-alpine
    container_name: telegram-redis
    restart: unless-stopped
    command: redis-server --appendonly yes
    volumes:
      - redis_data:/data
    networks:
      - telegram_network

  nginx:
    image: nginx:alpine
    container_name: telegram-nginx
    restart: unless-stopped
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro
      - ./nginx/ssl:/etc/nginx/ssl:ro
    depends_on:
      - telegram-downloader
    networks:
      - telegram_network

volumes:
  downloads_data:
    driver: local
    driver_opts:
      type: none
      o: bind
      device: /data/downloads
  cache_data:
  logs_data:
  postgres_data:
  redis_data:

networks:
  telegram_network:
    driver: bridge

☸️ Kubernetes Deployment

Kubernetes Manifests

# k8s/namespace.yaml
apiVersion: v1
kind: Namespace
metadata:
  name: telegram-downloader
  labels:
    app: telegram-downloader

---
# k8s/configmap.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: telegram-downloader-config
  namespace: telegram-downloader
data:
  production.ini: |
    [database]
    url = postgresql://postgres:password@postgres-service:5432/telegram_downloader
    
    [storage]
    download_dir = /data/downloads
    cache_dir = /data/cache
    
    [performance]
    max_concurrent_downloads = 8
    rate_limit_delay = 0.5
    worker_processes = 2

---
# k8s/deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: telegram-downloader
  namespace: telegram-downloader
  labels:
    app: telegram-downloader
spec:
  replicas: 3
  selector:
    matchLabels:
      app: telegram-downloader
  template:
    metadata:
      labels:
        app: telegram-downloader
    spec:
      containers:
      - name: telegram-downloader
        image: telegram-audio-downloader:1.0.0
        ports:
        - containerPort: 8080
          name: http
        - containerPort: 9090
          name: metrics
        resources:
          requests:
            memory: "1Gi"
            cpu: "500m"
          limits:
            memory: "2Gi"
            cpu: "1"
        volumeMounts:
        - name: config
          mountPath: /app/config
          readOnly: true
        - name: downloads
          mountPath: /data/downloads
        - name: cache
          mountPath: /data/cache
        env:
        - name: DATABASE_URL
          valueFrom:
            secretKeyRef:
              name: telegram-secrets
              key: database-url
        livenessProbe:
          httpGet:
            path: /health
            port: 8080
          initialDelaySeconds: 30
          periodSeconds: 10
        readinessProbe:
          httpGet:
            path: /ready
            port: 8080
          initialDelaySeconds: 5
          periodSeconds: 5
      volumes:
      - name: config
        configMap:
          name: telegram-downloader-config
      - name: downloads
        persistentVolumeClaim:
          claimName: downloads-pvc
      - name: cache
        emptyDir: {}

---
# k8s/service.yaml
apiVersion: v1
kind: Service
metadata:
  name: telegram-downloader-service
  namespace: telegram-downloader
  labels:
    app: telegram-downloader
spec:
  selector:
    app: telegram-downloader
  ports:
  - name: http
    port: 80
    targetPort: 8080
  - name: metrics
    port: 9090
    targetPort: 9090
  type: ClusterIP

---
# k8s/ingress.yaml
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: telegram-downloader-ingress
  namespace: telegram-downloader
  annotations:
    kubernetes.io/ingress.class: nginx
    cert-manager.io/cluster-issuer: letsencrypt-prod
    nginx.ingress.kubernetes.io/rate-limit: "100"
spec:
  tls:
  - hosts:
    - downloader.yourdomain.com
    secretName: telegram-downloader-tls
  rules:
  - host: downloader.yourdomain.com
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: telegram-downloader-service
            port:
              number: 80

---
# k8s/pvc.yaml
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: downloads-pvc
  namespace: telegram-downloader
spec:
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 1Ti
  storageClassName: fast-ssd

📊 Monitoring & Logging

Prometheus Configuration

# monitoring/prometheus.yml
global:
  scrape_interval: 15s
  evaluation_interval: 15s

rule_files:
  - "alert_rules.yml"

scrape_configs:
  - job_name: 'telegram-downloader'
    static_configs:
      - targets: ['telegram-downloader:9090']
    scrape_interval: 5s
    metrics_path: /metrics

  - job_name: 'node-exporter'
    static_configs:
      - targets: ['node-exporter:9100']

alerting:
  alertmanagers:
    - static_configs:
        - targets:
          - alertmanager:9093

Grafana Dashboard

{
  "dashboard": {
    "title": "Telegram Audio Downloader",
    "panels": [
      {
        "title": "Download Rate",
        "type": "graph",
        "targets": [
          {
            "expr": "rate(downloads_completed_total[5m])",
            "legendFormat": "Downloads/sec"
          }
        ]
      },
      {
        "title": "Success Rate", 
        "type": "singlestat",
        "targets": [
          {
            "expr": "downloads_completed_total / (downloads_completed_total + downloads_failed_total) * 100",
            "legendFormat": "Success %"
          }
        ]
      },
      {
        "title": "Memory Usage",
        "type": "graph", 
        "targets": [
          {
            "expr": "process_resident_memory_bytes",
            "legendFormat": "Memory"
          }
        ]
      }
    ]
  }
}

Centralized Logging

# logging/fluentd.conf
<source>
  @type tail
  path /data/logs/*.log
  pos_file /tmp/telegram-downloader.log.pos
  tag telegram.downloader
  format json
  time_key timestamp
  time_format %Y-%m-%dT%H:%M:%S.%L%z
</source>

<match telegram.**>
  @type elasticsearch
  host elasticsearch
  port 9200
  index_name telegram-downloader
  type_name logs
  time_key @timestamp
  flush_interval 10s
</match>

🔒 Security Configuration

SSL/TLS Setup

# Generate SSL certificates
openssl req -x509 -nodes -days 365 -newkey rsa:2048 \
    -keyout /etc/ssl/private/telegram-downloader.key \
    -out /etc/ssl/certs/telegram-downloader.crt \
    -subj "/C=US/ST=State/L=City/O=Org/CN=downloader.yourdomain.com"

Firewall Configuration

# UFW firewall setup
ufw --force reset
ufw default deny incoming
ufw default allow outgoing

# Allow SSH
ufw allow ssh

# Allow HTTP/HTTPS
ufw allow 80
ufw allow 443

# Allow application ports
ufw allow 8080
ufw allow 9090

# Enable firewall
ufw --force enable

Security Hardening

#!/bin/bash
# security_hardening.sh

# Disable root login
sed -i 's/PermitRootLogin yes/PermitRootLogin no/' /etc/ssh/sshd_config

# Configure fail2ban
cat > /etc/fail2ban/jail.local << 'EOF'
[DEFAULT]
bantime = 3600
findtime = 600
maxretry = 5

[sshd]
enabled = true
port = ssh
logpath = %(sshd_log)s
backend = %(sshd_backend)s

[telegram-downloader]
enabled = true
port = 8080
filter = telegram-downloader
logpath = /data/logs/access.log
maxretry = 10
EOF

# Restart services
systemctl restart ssh
systemctl restart fail2ban

💾 Backup & Recovery

Automated Backup Script

#!/bin/bash
# backup.sh

BACKUP_DIR="/backup/telegram-downloader"
DATE=$(date +%Y%m%d_%H%M%S)
RETENTION_DAYS=30

# Create backup directory
mkdir -p "$BACKUP_DIR"

# Database backup
pg_dump telegram_downloader | gzip > "$BACKUP_DIR/database_$DATE.sql.gz"

# Configuration backup
tar -czf "$BACKUP_DIR/config_$DATE.tar.gz" /opt/telegram-audio-downloader/config/

# Application backup
tar -czf "$BACKUP_DIR/app_$DATE.tar.gz" /opt/telegram-audio-downloader/ \
    --exclude='venv' --exclude='*.pyc' --exclude='__pycache__'

# Clean old backups
find "$BACKUP_DIR" -name "*.gz" -mtime +$RETENTION_DAYS -delete

echo "Backup completed: $DATE"

Recovery Procedures

#!/bin/bash
# restore.sh

BACKUP_DIR="/backup/telegram-downloader"
RESTORE_DATE="$1"

if [ -z "$RESTORE_DATE" ]; then
    echo "Usage: $0 <backup_date>"
    exit 1
fi

# Stop services
systemctl stop telegram-downloader

# Restore database
gunzip -c "$BACKUP_DIR/database_$RESTORE_DATE.sql.gz" | psql telegram_downloader

# Restore configuration
tar -xzf "$BACKUP_DIR/config_$RESTORE_DATE.tar.gz" -C /

# Restore application
tar -xzf "$BACKUP_DIR/app_$RESTORE_DATE.tar.gz" -C /

# Start services
systemctl start telegram-downloader

echo "Restore completed from: $RESTORE_DATE"

📈 Scaling Strategies

Horizontal Scaling

# k8s/hpa.yaml
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: telegram-downloader-hpa
  namespace: telegram-downloader
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: telegram-downloader
  minReplicas: 3
  maxReplicas: 20
  metrics:
  - type: Resource
    resource:
      name: cpu
      target:
        type: Utilization
        averageUtilization: 70
  - type: Resource
    resource:
      name: memory
      target:
        type: Utilization
        averageUtilization: 80
  - type: Pods
    pods:
      metric:
        name: downloads_per_second
      target:
        type: AverageValue
        averageValue: "10"

Load Balancing

# nginx/load_balancer.conf
upstream telegram_downloader {
    least_conn;
    server 10.0.1.10:8080 max_fails=3 fail_timeout=30s;
    server 10.0.1.11:8080 max_fails=3 fail_timeout=30s;
    server 10.0.1.12:8080 max_fails=3 fail_timeout=30s;
}

server {
    listen 80;
    server_name downloader.yourdomain.com;
    
    location / {
        proxy_pass http://telegram_downloader;
        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;
        
        # Load balancing method
        proxy_next_upstream error timeout invalid_header http_500 http_502 http_503;
        proxy_connect_timeout 5s;
        proxy_send_timeout 10s;
        proxy_read_timeout 30s;
    }
    
    location /health {
        access_log off;
        proxy_pass http://telegram_downloader/health;
    }
}

🚀 Deployment Checklist

Pre-Deployment

Deployment

Post-Deployment

For additional deployment support, visit our GitHub repository or contact our enterprise support team.

Last updated: 2024-01-20
Version: 1.0.0

This site is open source. Improve this page.