server {
    listen 80;
    server_name _;
    root /var/www/html/public;
    index index.php;

    client_max_body_size 2m;

    # Built client assets (long-term cacheable)
    location /build/ {
        try_files $uri =404;
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # Laravel front controller / SPA entry (serves resources/views/app.blade.php)
    location / {
        try_files $uri $uri/ /index.php?$query_string;
    }

    # Only ever route index.php to PHP-FPM
    location ~ ^/index\.php(/|$) {
        include fastcgi_params;
        fastcgi_pass fpm:9000;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $document_root/index.php;
    }

    location ~ \.php$ {
        return 404;
    }

    # Optional HTTP input fallback (POST /api/game/{room}/input)
    location /api {
        include fastcgi_params;
        fastcgi_pass fpm:9000;
        fastcgi_param SCRIPT_FILENAME $document_root/index.php;
    }

    # Same-origin Reverb (Pusher-protocol) websocket + handshake
    location /app/ {
        proxy_pass http://reverb:8080;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        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;
        proxy_read_timeout 60s;
        proxy_send_timeout 60s;
    }
}