Add Docker deployment files and deployment guide

.env.example

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+# Admin Panel Environment Variables
+
+# Flask
+SECRET_KEY=your-secret-key-here
+DEBUG=False
+
+# Database (SQLite for dev, PostgreSQL for production)
+DATABASE_URL=sqlite:///data/admin_panel.db
+# DATABASE_URL=postgresql://admin_user:admin_pass@localhost/admin_hosting_db
+
+# JWT
+JWT_SECRET_KEY=your-jwt-secret-here
+
+# Customer API
+CUSTOMER_API_URL=http://customer-backend:5000
+CUSTOMER_API_INTERNAL_KEY=your-internal-api-key-here
+
+# CORS
+CORS_ORIGINS=https://admin.argeict.net,http://localhost:5173
+

DEPLOYMENT.md

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+# Admin Panel Deployment Guide
+
+## 🚀 Quick Start
+
+### 1. Clone Repository
+```bash
+cd /opt
+git clone https://gitea.argeict.net/argeict/admin-panel.git
+cd admin-panel
+```
+
+### 2. Configure Environment
+```bash
+cp .env.example .env
+nano .env
+```
+
+Update the following:
+- `SECRET_KEY` - Random secret key
+- `JWT_SECRET_KEY` - Random JWT secret
+- `CUSTOMER_API_URL` - Customer platform API URL
+- `CUSTOMER_API_INTERNAL_KEY` - Internal API key
+- `CORS_ORIGINS` - Allowed origins
+
+### 3. Build and Run
+```bash
+docker-compose up -d --build
+```
+
+### 4. Initialize Database
+```bash
+docker exec -it admin-panel-backend python -c "
+from app.main import app, db
+from app.models import AdminUser
+with app.app_context():
+    db.create_all()
+    # Create default admin
+    admin = AdminUser(
+        username='admin',
+        email='admin@argeict.net',
+        full_name='System Admin'
+    )
+    admin.set_password('admin123')
+    db.session.add(admin)
+    db.session.commit()
+    print('Database initialized!')
+"
+```
+
+## 🌐 Nginx Configuration
+
+### Backend API (admin-api.argeict.net)
+```nginx
+server {
+    listen 80;
+    server_name admin-api.argeict.net;
+
+    location / {
+        proxy_pass http://localhost:5001;
+        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;
+    }
+}
+```
+
+### Frontend (admin.argeict.net)
+```nginx
+server {
+    listen 80;
+    server_name admin.argeict.net;
+
+    location / {
+        proxy_pass http://localhost:5173;
+        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 $scheme;
+    }
+}
+```
+
+### Enable SSL with Certbot
+```bash
+certbot --nginx -d admin.argeict.net -d admin-api.argeict.net
+```
+
+## 📊 Default Credentials
+
+**Username:** admin  
+**Password:** admin123
+
+⚠️ **IMPORTANT:** Change the default password immediately after first login!
+
+## 🔧 Maintenance
+
+### View Logs
+```bash
+docker-compose logs -f backend
+docker-compose logs -f frontend
+```
+
+### Restart Services
+```bash
+docker-compose restart
+```
+
+### Update Application
+```bash
+git pull
+docker-compose up -d --build
+```
+
+### Backup Database
+```bash
+docker cp admin-panel-backend:/app/data/admin_panel.db ./backup-$(date +%Y%m%d).db
+```
+
+## 🔐 Security Checklist
+
+- [ ] Change default admin password
+- [ ] Update SECRET_KEY and JWT_SECRET_KEY
+- [ ] Configure CORS_ORIGINS properly
+- [ ] Enable SSL/HTTPS
+- [ ] Set up firewall rules
+- [ ] Regular database backups
+- [ ] Monitor audit logs
+
+## 📝 API Endpoints
+
+### Authentication
+- `POST /api/auth/login` - Admin login
+- `GET /api/auth/me` - Get current admin
+- `POST /api/auth/logout` - Logout
+
+### Plans
+- `GET /api/plans` - List all plans
+- `POST /api/plans` - Create plan
+- `PUT /api/plans/:id` - Update plan
+- `DELETE /api/plans/:id` - Delete plan
+
+### CF Accounts
+- `GET /api/cf-accounts` - List CF accounts
+- `POST /api/cf-accounts` - Create CF account
+- `PUT /api/cf-accounts/:id` - Update CF account
+- `DELETE /api/cf-accounts/:id` - Delete CF account
+
+### Customers
+- `GET /api/customers` - List customers
+- `GET /api/customers/:id` - Get customer details
+- `PUT /api/customers/:id/plan` - Update customer plan
+
+## 🐛 Troubleshooting
+
+### Backend not starting
+```bash
+docker logs admin-panel-backend
+```
+
+### Frontend not building
+```bash
+docker logs admin-panel-frontend
+```
+
+### Database issues
+```bash
+docker exec -it admin-panel-backend python -c "
+from app.main import app, db
+with app.app_context():
+    db.create_all()
+"
+```
+
+## 📞 Support
+
+For issues, check the logs or contact the development team.
+

backend/Dockerfile

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+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Install dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application
+COPY . .
+
+# Create data directory for SQLite
+RUN mkdir -p /app/data
+
+# Expose port
+EXPOSE 5001
+
+# Run application
+CMD ["python", "-m", "app.main"]
+

docker-compose.yml

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+version: '3.8'
+
+services:
+  # Backend API
+  backend:
+    build: ./backend
+    container_name: admin-panel-backend
+    restart: unless-stopped
+    ports:
+      - "5001:5001"
+    environment:
+      - SECRET_KEY=${SECRET_KEY}
+      - DATABASE_URL=${DATABASE_URL}
+      - JWT_SECRET_KEY=${JWT_SECRET_KEY}
+      - CUSTOMER_API_URL=${CUSTOMER_API_URL}
+      - CUSTOMER_API_INTERNAL_KEY=${CUSTOMER_API_INTERNAL_KEY}
+      - CORS_ORIGINS=${CORS_ORIGINS}
+    volumes:
+      - ./backend:/app
+      - admin-db-data:/app/data
+    networks:
+      - admin-network
+
+  # Frontend
+  frontend:
+    build: ./frontend
+    container_name: admin-panel-frontend
+    restart: unless-stopped
+    ports:
+      - "5173:80"
+    environment:
+      - VITE_API_URL=https://admin-api.argeict.net
+    depends_on:
+      - backend
+    networks:
+      - admin-network
+
+volumes:
+  admin-db-data:
+
+networks:
+  admin-network:
+    driver: bridge
+

frontend/Dockerfile

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+FROM node:18-alpine as build
+
+WORKDIR /app
+
+# Install dependencies
+COPY package.json .
+RUN npm install
+
+# Copy source
+COPY . .
+
+# Build
+RUN npm run build
+
+# Production stage
+FROM nginx:alpine
+
+# Copy built files
+COPY --from=build /app/dist /usr/share/nginx/html
+
+# Copy nginx config
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]
+

frontend/nginx.conf

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+server {
+    listen 80;
+    server_name localhost;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # Gzip compression
+    gzip on;
+    gzip_vary on;
+    gzip_min_length 1024;
+    gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml+rss application/json;
+
+    # SPA routing
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    # Cache static assets
+    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+    }
+}
+