nginx.conf

server {
    listen 80;
    server_name localhost;

    # Security headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;

    # Frontend static files
    location / {
        root /usr/share/nginx/html;
        index index.html;
        try_files $uri $uri/ /index.html;
    }

    # Proxy API requests to backend
    location /api/ {
        proxy_pass http://backend: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;
        
        # Timeouts for large files (videos, originals)
        proxy_connect_timeout 60s;
        proxy_send_timeout 300s;
        proxy_read_timeout 300s;
        
        # Buffering off for streaming
        proxy_buffering off;
        
        # Increase max body size (for future features, though read-only)
        client_max_body_size 1M;
    }

    # Cache static assets
    location ~* \.(css|js|png|jpg|jpeg|gif|ico|svg|woff|woff2)$ {
        root /usr/share/nginx/html;
        expires 1d;
        add_header Cache-Control "public, immutable";
    }
    
    # Block access to hidden files
    location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
    }
}