> ## Documentation Index
> Fetch the complete documentation index at: https://developer.upsun.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Laurent Arnoud

> Articles written by Laurent Arnoud.

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    <a href="https://www.linkedin.com/in/laurent-arnoud-861b44121/" target="_blank" rel="noopener noreferrer" className="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-full border border-gray-200 dark:border-white/10 text-sm text-gray-700 dark:text-gray-300 hover:border-primary dark:hover:border-primary-light transition-colors">LinkedIn</a>
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  <a href="/posts/insights/rate-limiting-rails-apps-when-you-cant-put-varnish-in-front" className="blog-card group rounded-xl bg-card border-theme card-hover shadow-sm hover:shadow-md transition-all overflow-hidden flex flex-col">
    {`/images/posts/devcenter.webp` !== '' && (
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            <img src="/images/posts/devcenter.webp" alt="Rate limiting Rails apps when you can't put Varnish in front" className="blog-card-img" />
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        )}

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        {`insights` !== '' && (
                      <span className="text-xs font-semibold uppercase tracking-wider px-2 py-0.5 rounded-md bg-accent-badge border border-accent-soft text-accent">
                        insights
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        <span className="text-xs text-subtle">Tuesday, May 12th 2026</span>
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      <h3 className="blog-card-title group-hover:text-accent transition-colors">Rate limiting Rails apps when you can't put Varnish in front</h3>
      <p className="blog-card-desc">When the edge isn't yours, rate limit from inside the application. How rack-attack works, why limits are about quality of service, and what Rails 8 changed.</p>
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