server {
    listen 80;
    server_name _;

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

    # One SPA at `/`. `vite dev` and `vite preview` serve index.html for every
    # unmatched path; vite.config.js notes that a static deploy needs the equivalent
    # rewrite rule. This is it — without it /auth/confirm-email (a router path, not a
    # file) 404s when a confirmation email link is opened cold.
    location / {
        try_files $uri $uri/ /index.html;
    }

    # Hashed filenames, so they can be cached hard.
    location /assets/ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # index.html must never be cached, or a redeploy keeps serving the old asset hashes.
    location = /index.html {
        add_header Cache-Control "no-store";
    }

    gzip on;
    gzip_min_length 1024;
    gzip_types text/css text/javascript application/javascript application/json image/svg+xml;
}