server {
    listen 80;
    server_name docrec.zackchew.xyz;

    # Redirect HTTP to HTTPS
    return 301 https://$server_name$request_uri;
}

server {
    listen 443 ssl http2;
    server_name docrec.zackchew.xyz;

    # SSL certificates will be added by certbot
    # ssl_certificate /etc/letsencrypt/live/docrec.zackchew.xyz/fullchain.pem;
    # ssl_certificate_key /etc/letsencrypt/live/docrec.zackchew.xyz/privkey.pem;

    # SSL configuration
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers off;
    ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384';

    # Max upload size for medical records
    client_max_body_size 100M;

    # Django backend
    location / {
        proxy_pass http://127.0.0.1:8000;
        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;
        
        # WebSocket support (if needed in future)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }

    # Media files
    location /media/ {
        alias /home/qiu/health_record_app/backend/media/;
        expires 30d;
        add_header Cache-Control "public, immutable";
    }

    # Static files (for Django admin)
    location /static/ {
        alias /home/qiu/health_record_app/backend/static/;
        expires 30d;
        add_header Cache-Control "public, immutable";
    }

    # Security headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "no-referrer-when-downgrade" always;
    add_header Content-Security-Policy "default-src 'self' http: https: data: blob: 'unsafe-inline'" always;

    access_log /var/log/nginx/docrec.access.log;
    error_log /var/log/nginx/docrec.error.log;
}