Fix version display and add release notes for v1.2.8

- Use CARGO_PKG_VERSION instead of hardcoded version string
- Add comprehensive release notes with feature descriptions
- Binary now correctly shows version 1.2.8

RELEASE_NOTES_v1.2.8.md

@@ -0,0 +1,119 @@
+# Release Notes - DDNS Updater v1.2.8
+
+🎉 **Major Release: DNS Auto-initialization & Production Reliability**
+
+## 🚀 New Features
+
+### DNS Host File Auto-initialization
+- **Automatic JSON file creation** at first startup in `/var/lib/ddns-updater/`
+- **Safe conditional logic** - only creates files when they don't exist
+- **Placeholder IP initialization** (0.0.0.0) with descriptive comments
+- **Structured data format** with hostname, IP, timestamps, and comments
+- **Test mode support** with `./test_storage/` directory
+
+### Enhanced Nginx Reload System
+- **Multiple reload strategies** with intelligent fallback
+- **Full path support** for `/usr/sbin/nginx` (fixes production issues)
+- **Comprehensive error handling** with detailed logging
+- **Production reliability** improvements
+
+## 🔧 Technical Improvements
+
+### Infrastructure Enhancements
+- Added `initialize_host_file()` method to `IpRepository` trait
+- Full implementation in `FileIpRepository` with JSON structure
+- Default no-op implementation for other repository types
+- Trait-based architecture maintains extensibility
+
+### Nginx Reload Reliability
+- **Method 1**: `/usr/sbin/nginx -s reload` (full path, most reliable)
+- **Method 2**: `nginx -s reload` (PATH fallback)
+- **Method 3**: `systemctl reload nginx` (systemd method)
+- **Method 4**: `service nginx reload` (SysV init method)
+
+## 🎯 Bug Fixes
+
+### Production Issues Resolved
+- ✅ Fixed: `"Failed to reload nginx.service"` error in production
+- ✅ Fixed: PATH issues with nginx command execution  
+- ✅ Fixed: First-time startup DNS data tracking
+- ✅ Fixed: Service reliability in containerized environments
+
+### CI/CD Improvements
+- Enhanced GitHub Actions workflows with timeout protection
+- Network-resilient testing with `DDNS_CI_MODE` support
+- Job-specific timeout limits (10-60 minutes)
+
+## 📊 Usage Examples
+
+### DNS Host File Structure
+```json
+{
+  "ip": "192.168.1.100",
+  "hostname": "example.com",
+  "comment": "Initial DNS host file created at first startup",
+  "created_at": "2025-10-03T14:57:16Z",
+  "updated_at": "2025-10-03T14:57:16Z"
+}
+```
+
+### Production Deployment
+```bash
+# Install via Debian package
+sudo dpkg -i ddns-updater_1.2.8_amd64.deb
+
+# Or manual installation
+sudo systemctl daemon-reload
+sudo systemctl enable ddns-updater.target
+sudo systemctl start ddns-updater.target
+```
+
+## 🔄 Migration Notes
+
+### From v1.2.7
+- **No breaking changes** - fully backward compatible
+- DNS host files will be created automatically on first run
+- Existing installations will benefit from improved nginx reload
+- No configuration changes required
+
+### File Locations
+- **Production**: `/var/lib/ddns-updater/hostname.json`
+- **Test mode**: `./test_storage/hostname.json`
+- **Logs**: `/var/log/ddns-updater/` (systemd) or stderr (manual)
+
+## 🚀 Installation
+
+### Debian/Ubuntu (Recommended)
+```bash
+wget https://github.com/koenieee/ddns_local_server/releases/download/v1.2.8/ddns-updater_1.2.8_amd64.deb
+sudo dpkg -i ddns-updater_1.2.8_amd64.deb
+```
+
+### From Source
+```bash
+git clone https://github.com/koenieee/ddns_local_server.git
+cd ddns_local_server
+git checkout v1.2.8
+cargo build --release
+```
+
+## 🔍 Verification
+
+Test the new features:
+```bash
+# Test DNS initialization (creates host file if missing)
+ddns_updater --host github.com --config /etc/nginx/sites-available/default --verbose
+
+# Test nginx reload functionality  
+sudo ddns_updater --host example.com --config /etc/nginx/sites-available/example.conf
+
+# Check created DNS files
+ls -la /var/lib/ddns-updater/
+cat /var/lib/ddns-updater/github.com.json
+```
+
+---
+
+**Full Changelog**: [v1.2.7...v1.2.8](https://github.com/koenieee/ddns_local_server/compare/v1.2.7...v1.2.8)
+
+**Downloads**: Available as Debian packages and source archives below ⬇️

src/cli/args.rs

@@ -5,7 +5,7 @@ use std::path::PathBuf;
 #[derive(Parser, Debug)]
 #[command(name = "ddns_updater")]
 #[command(about = "A DDNS updater that manages nginx allow lists")]
-#[command(version = "0.1.0")]
+#[command(version = env!("CARGO_PKG_VERSION"))]
 pub struct Args {
     /// Host to check for IP changes
     #[arg(long, default_value = "google.com")]