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Switching from NGINX to Traefik

Switching from NGINX to Traefik

Debojyoti SinghaDebojyoti Singha··Dec 20, 2025

For over a decade, NGINX has been my default choice for reverse proxies. It's battle-tested, reliable, and has powered countless production systems. So switching away from it wasn't something I took lightly.

But as Keplars Mail Service continued to evolve, especially with our move toward a semi-microservices architecture, we reached a point where the routing layer needed to become more dynamic, flexible, and developer-friendly.

That's when we decided to migrate to Traefik by Traefik Labs.

Why reconsider the routing layer?

In a growing system, routing stops being "just configuration." It becomes part of the developer workflow.

With NGINX, even small routing changes often meant:

  • Editing configuration files
  • Managing reloads carefully
  • Coordinating changes across environments
  • Being extra cautious in production

While this is manageable, it introduces friction as the number of services and routes increases.


The Traefik difference:

Traefik's dynamic, service-aware routing model immediately stood out.

Routes update automatically as services change. No manual reloads. No juggling multiple config files. No interruption to traffic. Everything reacts in real time.

The experience feels noticeably smoother:

  • Routing rules stay close to the services themselves
  • Configuration changes propagate instantly
  • The system feels lighter and easier to reason about

Honestly, the first few days felt almost too smooth. Once you experience routing that "just flows," it's hard to go back.


Why this matters for Keplars:

This switch gives us:

  • Greater flexibility as services grow and evolve
  • Cleaner separation between infrastructure and application logic
  • Faster iteration without operational overhead
  • A routing layer that scales naturally with our architecture

As Keplars handles more traffic and more internal services, having a routing system that adapts dynamically is a major win.


Conclusion:

Infrastructure should stay out of the way.

Moving from NGINX to Traefik wasn't about chasing new technology—it was about removing friction from our workflow and making the routing layer adapt to our needs, not the other way around.

NGINX will always have a place in production infrastructure. It's proven, reliable, and will continue to power systems for years to come. But for where Keplars is headed—dynamic services, rapid iteration, and a focus on developer experience—Traefik is the better fit.

The result is a routing layer that feels invisible in the best way: it works, it adapts, and it doesn't slow us down.

As always, infrastructure decisions aren't about what's "best" in the abstract. They're about what solves the problem you actually have, right now, as clearly as possible.

Keplars