server {
    listen 80;
    server_name _;

    root /usr/share/nginx/html;

    # WASM MIME type
    include /etc/nginx/mime.types;
    types {
        application/wasm wasm;
    }

    # Cache JS and WASM aggressively (content-addressed by build)
    location ~* \.(js|wasm)$ {
        add_header Cache-Control "public, max-age=31536000, immutable";
        add_header Cross-Origin-Resource-Policy "cross-origin";
        add_header Cross-Origin-Embedder-Policy "require-corp";
    }

    location / {
        try_files $uri =404;
    }
}