modernize project with Docker support and dependency updates

- Pin all dependencies to stable versions (remove 'latest')
- Update lucide-react to 0.554.0 for React 19 compatibility
- Add Docker support with Dockerfile and docker-compose.yml
- Update TypeScript target to ES2022
- Add .nvmrc and netlify.toml for deployment configuration
- Update README with Docker deployment instructions

README.md

@@ -10,14 +10,88 @@ Reskin of https://lk.ks.psuti.ru/ since it lacks mobile support.
 
 ## Tech stack & features
 
-- React with Next.js v13.5 (pages router)
-- Tailwind CSS.
+- React 19.2.0 with Next.js 16.0.3 (pages router)
+- Tailwind CSS
 - @shadcn/ui components (built with Radix UI)
 - JSDOM for parsing scraped pages, rehydration strategy for cache
-- TypeScript with types for each package
+- TypeScript 5.6.0 with types for each package
 - Telegram Bot API (via [node-telegram-bot-api]) for parsing failure notifications
 - Custom [js parser for teachers' photos](https://gist.github.com/VityaSchel/28f1a360ee7798511765910b39c6086c)
 - Accessability & tab navigation support
 - Dark theme with automatic switching based on system settings
 
 Tools used: pnpm, eslint, react-icons. Deployed with Netlify and supported by Cloudflare.
+
+## Development
+
+### Prerequisites
+
+- Node.js 20+ (see `.nvmrc`)
+- npm 10+ or pnpm
+
+### Local development
+
+```bash
+# Install dependencies
+npm install
+# or
+pnpm install
+
+# Run development server
+npm run dev
+# or
+pnpm dev
+```
+
+### Docker deployment
+
+#### Build and run with Docker
+
+```bash
+# Build the image
+docker build -t kspguti-schedule .
+
+# Run the container
+docker run -p 3000:3000 kspguti-schedule
+```
+
+#### Using Docker Compose
+
+```bash
+# Build and start
+docker-compose up -d
+
+# View logs
+docker-compose logs -f
+
+# Stop
+docker-compose down
+```
+
+**Environment variables:** Edit `docker-compose.yml` to add your environment variables:
+- `PROXY_URL` - URL for schedule parsing
+- `PARSING_FAILURE_NOTIFICATIONS_TELEGRAM_BOTAPI_TOKEN` - Telegram bot token
+- `PARSING_FAILURE_NOTIFICATIONS_TELEGRAM_CHAT_ID` - Telegram chat ID
+
+### Production deployment
+
+#### Netlify
+
+The project includes `netlify.toml` for automatic deployment configuration.
+
+#### Docker
+
+The Dockerfile uses Next.js standalone output for optimized production builds. The image includes:
+- Multi-stage build for smaller image size
+- Non-root user for security
+- Health checks
+- Production optimizations
+
+#### Other platforms
+
+The project can be deployed to any platform supporting Node.js 20+:
+- Vercel
+- Railway
+- DigitalOcean App Platform
+- AWS App Runner
+- Any Docker-compatible platform