#+TITLE: Asteroid Radio - Installation Guide
#+AUTHOR: Asteroid Radio Development Team
#+DATE: 2025-10-26

* Installation Overview

This guide covers the complete installation and deployment of Asteroid Radio. The **recommended approach** is Docker-based installation for easy deployment and consistency. Native installation is also available for development or custom deployments.

#+BEGIN_QUOTE
*Note on Package Managers*: Examples in this guide use =apt= (Debian/Ubuntu). Replace with your distribution's package manager:
- Fedora/RHEL: =dnf= or =yum=
- Arch Linux: =pacman=
- openSUSE: =zypper=
- Alpine: =apk=
#+END_QUOTE

* Quick Start (Docker - Recommended)

** Prerequisites Check
#+BEGIN_SRC bash
# Check if Docker is installed and running
docker --version
docker compose version
docker info
#+END_SRC

** One-Command Setup
#+BEGIN_SRC bash
# Clone and setup
git clone https://github.com/fade/asteroid.git asteroid-radio
cd asteroid-radio/docker
docker compose up -d
#+END_SRC

** Verify Installation
#+BEGIN_SRC bash
# Check all three streams are working
curl -I http://localhost:8000/asteroid.mp3     # 128kbps MP3
curl -I http://localhost:8000/asteroid.aac     # 96kbps AAC
curl -I http://localhost:8000/asteroid-low.mp3 # 64kbps MP3
#+END_SRC

* Detailed Installation

** System Requirements

*** Docker Installation Requirements
- *OS*: Any OS with Docker support (Linux, macOS, Windows)
- *Docker*: Docker Engine 20.10+ and Docker Compose 2.0+
- *RAM*: 2GB minimum, 4GB recommended
- *Storage*: 20GB minimum, 500GB+ for music library
- *CPU*: 2 cores minimum, 4+ cores recommended
- *Network*: Stable internet connection for streaming

*** Native Installation Requirements (Advanced)
- *OS*: Ubuntu 20.04+ / Debian 11+ (for native installation)
- *RAM*: 1GB minimum, 2GB recommended
- *Storage*: 10GB minimum, 100GB+ for music library
- *CPU*: 1 core minimum, 2+ cores recommended
- *Dependencies*: SBCL, Icecast2, Liquidsoap, TagLib

** Docker Installation (Recommended)

*** Step 1: Install Docker
#+BEGIN_SRC bash
# Ubuntu/Debian
sudo apt update
sudo apt install -y docker.io docker compose
sudo usermod -a -G docker $USER
# Log out and back in for group changes

# CentOS/RHEL
sudo dnf install -y docker docker compose
sudo systemctl enable --now docker
sudo usermod -a -G docker $USER

# macOS
brew install docker docker compose
# Or install Docker Desktop

# Windows
# Install Docker Desktop from docker.com
#+END_SRC

*** Step 2: Clone and Setup
#+BEGIN_SRC bash
# Clone repository
git clone <repository-url> asteroid-radio
cd asteroid-radio/docker

# Start services
docker compose up -d

# Check status
docker compose ps
#+END_SRC

*** Step 3: Add Music
#+BEGIN_SRC bash
# Copy music files to the docker music directory
cp ~/path/to/music/*.mp3 music/
cp ~/path/to/music/*.flac music/

# Set proper permissions
sudo chown -R $USER:$USER music/
#+END_SRC

*** Step 4: Access Streams
- **High Quality MP3**: http://localhost:8000/asteroid.mp3 (128kbps)
- **High Quality AAC**: http://localhost:8000/asteroid.aac (96kbps)
- **Low Quality MP3**: http://localhost:8000/asteroid-low.mp3 (64kbps)
- **Icecast Admin**: http://localhost:8000/admin/ (admin/asteroid_admin_2024)
- **Telnet Control**: =telnet localhost 1234=

** Native Installation (Advanced Users)

*** Step 1: System Updates
#+BEGIN_SRC bash
sudo apt update && sudo apt upgrade -y
#+END_SRC

*** Step 2: Install System Dependencies
#+BEGIN_SRC bash
# Core dependencies
sudo apt install -y sbcl git curl wget build-essential

# Streaming dependencies
sudo apt install -y icecast2 liquidsoap

# Audio processing dependencies
sudo apt install -y libtag1-dev libtagc0-dev

# Optional: Development tools
sudo apt install -y emacs vim htop tree
#+END_SRC

*** Step 3: Configure Icecast2
#+BEGIN_SRC bash
# Configure Icecast2 during installation
sudo dpkg-reconfigure icecast2

# Or manually edit configuration
sudo nano /etc/icecast2/icecast.xml
#+END_SRC

*Icecast2 Configuration*:
#+BEGIN_SRC xml
<icecast>
    <location>Asteroid Radio Station</location>
    <admin>admin@asteroid-radio.local</admin>
    
    <limits>
        <clients>100</clients>
        <sources>2</sources>
        <queue-size>524288</queue-size>
        <client-timeout>30</client-timeout>
        <header-timeout>15</header-timeout>
        <source-timeout>10</source-timeout>
    </limits>
    
    <authentication>
        <source-password>b3l0wz3r0</source-password>
        <relay-password>asteroid_relay_2024</relay-password>
        <admin-user>admin</admin-user>
        <admin-password>asteroid_admin_2024</admin-password>
    </authentication>
    
    <hostname>localhost</hostname>
    <listen-socket>
        <port>8000</port>
    </listen-socket>
    
    <mount type="normal">
        <mount-name>/asteroid.mp3</mount-name>
        <username>source</username>
        <password>b3l0wz3r0</password>
        <max-listeners>50</max-listeners>
        <dump-file>/var/log/icecast2/asteroid.dump</dump-file>
        <burst-on-connect>1</burst-on-connect>
        <fallback-mount>/silence.mp3</fallback-mount>
        <fallback-override>1</fallback-override>
    </mount>
    
    <fileserve>1</fileserve>
    <paths>
        <basedir>/usr/share/icecast2</basedir>
        <logdir>/var/log/icecast2</logdir>
        <webroot>/usr/share/icecast2/web</webroot>
        <adminroot>/usr/share/icecast2/admin</adminroot>
        <alias source="/" destination="/status.xsl"/>
    </paths>
    
    <logging>
        <accesslog>access.log</accesslog>
        <errorlog>error.log</errorlog>
        <loglevel>3</loglevel>
        <logsize>10000</logsize>
    </logging>
</icecast>
#+END_SRC

*** Step 4: Install Quicklisp
#+BEGIN_SRC bash
# Download and install Quicklisp
cd /tmp
curl -O https://beta.quicklisp.org/quicklisp.lisp
sbcl --load quicklisp.lisp --eval "(quicklisp-quickstart:install)" --eval "(ql:add-to-init-file)" --quit
#+END_SRC

*** Step 5: Clone and Setup Project
#+BEGIN_SRC bash
# Clone repository
git clone https://github.com/fade/asteroid /opt/asteroid-radio
cd /opt/asteroid-radio

# Create required directories
sudo mkdir -p music/incoming music/library static template
sudo chown -R $USER:$USER music/

# Set permissions
chmod 755 music/incoming music/library
chmod +x *.sh
#+END_SRC

*** Step 6: Install Lisp Dependencies
#+BEGIN_SRC bash
# Start SBCL and install dependencies
sbcl --eval "(ql:quickload :asteroid)" --quit
#+END_SRC

** CentOS/RHEL Installation

*** Step 1: Enable EPEL Repository
#+BEGIN_SRC bash
sudo dnf install -y epel-release
sudo dnf update -y
#+END_SRC

*** Step 2: Install Dependencies
#+BEGIN_SRC bash
# Core dependencies
sudo dnf install -y sbcl git curl wget gcc make

# Streaming dependencies (may require additional repositories)
sudo dnf install -y icecast liquidsoap

# Audio processing
sudo dnf install -y taglib-devel
#+END_SRC

*** Step 3: Follow Ubuntu Steps 3-6
The remaining steps are similar to Ubuntu installation.

** macOS Installation (Development Only)

*** Step 1: Install Homebrew
#+BEGIN_SRC bash
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
#+END_SRC

*** Step 2: Install Dependencies
#+BEGIN_SRC bash
# Core dependencies
brew install sbcl git

# Streaming dependencies
brew install icecast2 liquidsoap

# Audio processing
brew install taglib
#+END_SRC

*** Step 3: Follow Similar Setup Steps
Adapt the Linux steps for macOS paths and conventions.

* Service Configuration

** Systemd Service Setup (Linux)

*** Icecast2 Service
#+BEGIN_SRC bash
# Enable and start Icecast2
sudo systemctl enable icecast2
sudo systemctl start icecast2
sudo systemctl status icecast2
#+END_SRC

*** Asteroid Radio Service
Create systemd service file:
#+BEGIN_SRC bash
sudo nano /etc/systemd/system/asteroid-radio.service
#+END_SRC

*Service Configuration*:
#+BEGIN_SRC ini
[Unit]
Description=Asteroid Radio Streaming Service
After=network.target icecast2.service
Requires=icecast2.service

[Service]
Type=forking
User=asteroid
Group=asteroid
WorkingDirectory=/opt/asteroid-radio
ExecStart=/opt/asteroid-radio/start-asteroid-radio.sh
ExecStop=/opt/asteroid-radio/stop-asteroid-radio.sh
Restart=always
RestartSec=10

[Install]
WantedBy=multi-user.target
#+END_SRC

*** Enable and Start Service
#+BEGIN_SRC bash
# Create service user
sudo useradd -r -s /bin/false asteroid
sudo chown -R asteroid:asteroid /opt/asteroid-radio

# Enable and start service
sudo systemctl daemon-reload
sudo systemctl enable asteroid-radio
sudo systemctl start asteroid-radio
sudo systemctl status asteroid-radio
#+END_SRC

* Network Configuration

** Firewall Setup

*** Ubuntu/Debian (ufw)
#+BEGIN_SRC bash
# Allow required ports
sudo ufw allow 8000/tcp  # Icecast2 streaming and admin
sudo ufw allow 1234/tcp  # Liquidsoap telnet control (optional)
sudo ufw enable
#+END_SRC

*** CentOS/RHEL (firewalld)
#+BEGIN_SRC bash
# Allow required ports
sudo firewall-cmd --permanent --add-port=8000/tcp  # Icecast2
sudo firewall-cmd --permanent --add-port=1234/tcp  # Liquidsoap telnet (optional)
sudo firewall-cmd --reload
#+END_SRC

** Reverse Proxy Setup (Optional)

*** Nginx Configuration
#+BEGIN_SRC bash
# Install Nginx
sudo apt install nginx

# Create configuration
sudo nano /etc/nginx/sites-available/asteroid-radio
#+END_SRC

*Nginx Configuration*:
#+BEGIN_SRC nginx
server {
    listen 80;
    server_name your-domain.com;
    
    # Web interface
    location / {
        proxy_pass http://localhost:8080;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
    
    # Streaming endpoint
    location /stream {
        proxy_pass http://localhost:8000/asteroid.mp3;
        proxy_set_header Host $host;
        proxy_buffering off;
    }
}
#+END_SRC

*** Enable Nginx Site
#+BEGIN_SRC bash
sudo ln -s /etc/nginx/sites-available/asteroid-radio /etc/nginx/sites-enabled/
sudo nginx -t
sudo systemctl reload nginx
#+END_SRC

* Docker Management

** Stream Services

The stream services can be managed using docker from inside the =docker= folder on this repository.

*** Container Management
#+BEGIN_SRC bash
# Start services
docker compose up -d

# Stop services
docker compose down

# View logs
docker compose logs -f

# Restart services
docker compose restart
#+END_SRC

*** Docker Configuration
See =docker/docker-compose.yml= for complete Docker setup with Icecast2 and Liquidsoap containers. The setup includes:
- **Icecast2**: Streaming server with three output formats
- **Liquidsoap**: Audio processing and stream generation
- **Music Volume**: Mounted to the =./music/library= directory (can also be set with the =MUSIC_LIBRARY= environment variable)
- *Queue Playlist*: Mounted to the =./stream-queue.m3u= file (can also be set with the =QUEUE_PLAYLIST= environment variable)

** Asteroid Radio Application

The asteroid radio application can also be served and managed using docker from inside the =docker= folder on this repository.

*** Container Management
#+BEGIN_SRC bash
# Build service
docker compose -f docker-compose.asteroid.yml build

# Start service
docker compose -f docker-compose.asteroid.yml up -d

# Stop service
docker compose -f docker-compose.asteroid.yml down

# View logs
docker compose -f docker-compose.asteroid.yml logs -f

# Restart service
docker compose -f docker-compose.asteroid.yml restart
#+END_SRC

*** Docker Configuration
See =docker/docker-compose.asteroid.yml= for complete Docker setup, which includes:
- Buils the application using the current cloned branch for the repository
- Uses the host network for easy access to the stream endpoint
- *Stream endpoint* mapped to =http://localhost:8000= (can also be set with the =ASTEROID_STREAM_URL= environment variable)
- **Music Volume**: Mounted to the =./music/library= directory (can also be set with the =MUSIC_LIBRARY= environment variable)
- *Queue Playlist*: Mounted to the =./stream-queue.m3u= file (can also be set with the =QUEUE_PLAYLIST= environment variable)

* Initial Configuration

** First-Time Setup

*** Access Streaming Services
1. **Icecast Admin**: http://localhost:8000/admin/ (admin/asteroid_admin_2024)
2. **Stream URLs**:
   - High Quality MP3: http://localhost:8000/asteroid.mp3 (128kbps)
   - High Quality AAC: http://localhost:8000/asteroid.aac (96kbps)
   - Low Quality MP3: http://localhost:8000/asteroid-low.mp3 (64kbps)
3. **Telnet Control**: =telnet localhost 1234= (for Liquidsoap management)

*** Add Music Library
#+BEGIN_SRC bash
# Copy music files to music directory
cp ~/path/to/music/*.mp3 ~/asteroid-radio/music/

# Files are automatically detected by Liquidsoap
# No additional processing needed - just add files to the music directory
#+END_SRC

*** Test Streaming
#+BEGIN_SRC bash
# Test all streams with curl
curl -I http://localhost:8000/asteroid.mp3     # 128kbps MP3
curl -I http://localhost:8000/asteroid.aac     # 96kbps AAC
curl -I http://localhost:8000/asteroid-low.mp3 # 64kbps MP3

# Test with media player
vlc http://localhost:8000/asteroid.mp3         # High quality MP3
vlc http://localhost:8000/asteroid.aac         # High quality AAC
#+END_SRC

** Configuration Files

*** Key Configuration Locations
*Docker Setup:*
- =docker/asteroid-radio-docker.liq= - Liquidsoap streaming configuration
- =docker/icecast.xml= - Icecast2 server settings
- =docker/docker-compose.yml= - Container orchestration

*Native Setup:*
- =asteroid-radio.liq= - Liquidsoap streaming configuration
- =/etc/icecast2/icecast.xml= - Icecast2 server settings
- =radiance-core.conf.lisp= - RADIANCE framework configuration


* Production Deployment

** Security Considerations

*** Change Default Passwords
- Update Icecast2 admin password
- Change streaming source password
- Secure database access if using external DB

*** File Permissions
#+BEGIN_SRC bash
# Secure file permissions
sudo chown -R asteroid:asteroid /opt/asteroid-radio
sudo chmod 750 /opt/asteroid-radio
sudo chmod 640 /opt/asteroid-radio/config/*
#+END_SRC

*** Network Security
- Use HTTPS with SSL certificates
- Implement rate limiting
- Configure fail2ban for brute force protection

** Performance Tuning

*** System Limits
#+BEGIN_SRC bash
# Increase file descriptor limits
echo "asteroid soft nofile 65536" | sudo tee -a /etc/security/limits.conf
echo "asteroid hard nofile 65536" | sudo tee -a /etc/security/limits.conf
#+END_SRC

*** Icecast2 Optimization
- Adjust client limits based on server capacity
- Configure appropriate buffer sizes
- Enable burst-on-connect for better user experience

** Monitoring Setup

*** Log Monitoring
#+BEGIN_SRC bash
# Docker setup - monitor container logs
docker compose logs -f icecast
docker compose logs -f liquidsoap

# Native setup - monitor system logs  
sudo tail -f /var/log/icecast2/error.log
sudo tail -f /var/log/asteroid-radio/asteroid.log
#+END_SRC

*** Health Checks
#+BEGIN_SRC bash
# Create health check script
cat > ~/asteroid-radio/health-check.sh << 'EOF'
#!/bin/bash
# Check all three streams
curl -I http://localhost:8000/asteroid.mp3 | grep -q "200 OK" || exit 1
curl -I http://localhost:8000/asteroid.aac | grep -q "200 OK" || exit 1
curl -I http://localhost:8000/asteroid-low.mp3 | grep -q "200 OK" || exit 1
# Check Icecast admin interface
curl -f http://localhost:8000/admin/ || exit 1
EOF
chmod +x ~/asteroid-radio/health-check.sh
#+END_SRC

* Troubleshooting

** Common Installation Issues

*** Dependency Problems
- Ensure all system packages are installed
- Check Quicklisp installation
- Verify SBCL can load all required libraries

*** Permission Issues
- Check file ownership and permissions
- Verify service user has access to required directories
- Ensure music directories are writable

*** Network Issues
- Confirm firewall allows required ports
- Check service binding addresses
- Verify no port conflicts with other services

*** Streaming Issues
- Check Icecast2 configuration and logs
- Verify Liquidsoap can access music files
- Test stream connectivity from different networks

** Getting Support
- Check project documentation
- Review system logs for error messages
- Submit issues with detailed system information
- Join our IRC chat room: **#asteroid.music** on **irc.libera.chat**
- Join community discussions for help

* Maintenance

** Regular Maintenance Tasks
- Update system packages monthly
- Monitor disk space for music library
- Review and rotate log files
- Backup configuration files
- Test streaming functionality

** Updates and Upgrades
- Follow project release notes
- Test updates in development environment first
- Backup before major upgrades
- Monitor service status after updates

This installation guide provides comprehensive setup instructions for Asteroid Radio. For development-specific setup, see the Development Guide.