server {
    listen 80;
    server_name localhost;
    
    root /usr/share/nginx/html;
    index index.html;

    location / {
        try_files $uri $uri/ =404;
        add_header Cache-Control "no-cache, no-store, must-revalidate";
    }

    # Proxy für Gateway-Anfragen (um CORS zu vermeiden)
    location /api/ {
        proxy_pass http://gateway:8000/;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
        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;
        
        # CORS headers
        add_header Access-Control-Allow-Origin * always;
        add_header Access-Control-Allow-Methods 'GET, POST, PUT, DELETE, OPTIONS' always;
        add_header Access-Control-Allow-Headers 'Content-Type, Authorization, X-Master-Key' always;
        
        if ($request_method = 'OPTIONS') {
            return 204;
        }
    }
}