Thijs Feryn
As the Technical Evangelist at Varnish Software, Thijs Feryn focuses on web performance, software scalability, and content delivery. He demonstrates this through presentations, videos, books and blog posts.
Thijs is a published author and wrote Getting Started with Varnish Cache and Varnish 6 by Example. As a public speaker, he has a track record of over 370 presentations in 26 different countries, where he is often praised for his energetic and engaging presentation style.
Montreal 2026 sessions
Accelerate Docker Image delivery with Varnish caching
English session - Beginner
Organizations relying on Docker need fast registries, but at scale image pulls slow down, raise costs & create bottlenecks.
This talk shows how Varnish is optimized to cache Docker image manifests & image layers to dramatically boost performance & developer efficiency. We’ll examine the HTTP requests behind the "docker pull" command & cover caching strategies for public and private repos while preserving authentication and access controls.
Leveraging the edge for observability
English session - Intermediate
Many teams use CDNs or caching proxies for speed and scale, but often overlook their value for observability.
In this talk, Thijs shows how to turn Varnish into a rich observability layer, unlocking metrics and logs already flowing through the proxy. Integrating with tools like Prometheus, Loki, and Grafana, and standardizing telemetry data with OpenTelemetry.
Your proxy is not only a performance booster, it's a key source of insights.
