server {
    listen 80;
    server_name _;

    root /usr/share/nginx/html;
    index index.html;

    # Apache en Sinbad2 termina TLS en https://sinbad2.ujaen.es/deckofcards
    # y reenvía el tráfico a este contenedor (puerto 8071) sin el prefijo público:
    #   ProxyPass /deckofcards http://host.docker.internal:8071/
    # El navegador sigue viendo /deckofcards/...; aquí llegan rutas como /, /api/, /assets/.
    location /api/ {
        proxy_pass http://backend:8000/api/;
        proxy_http_version 1.1;
        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 $http_x_forwarded_proto;
        proxy_set_header X-Forwarded-Host $http_x_forwarded_host;
    }

    location / {
        try_files $uri $uri/ /index.html;
    }
}