Nicolas Frankel

Technologist focusing on cloud-native technologies, DevOps, CI/CD pipelines, and system observability. His focus revolves around creating technical content, delivering talks, and engaging with developer communities to promote the adoption of modern software practices. With a strong background in software, he has worked extensively with the JVM, applying his expertise across various industries. In addition to his technical work, he is the author of several books and regularly shares insights through his blog and open-source contributions.

387 views

255 articles

719,218 views

Nicolas Frankel Mar 17, 2026 20 views

Writing an agent skill

Most developers now use coding assistants. I do too—Copilot at work, Claude Code at home. As a developer, I prefer not to repeat myself. …

Nicolas Frankel Mar 11, 2026 9 views

Pi-hole behind Tailscale

As I age, I become increasingly cautious about my privacy. The slope the world is sliding on is also a big, unfortunate incentive. I have …

Java

Nicolas Frankel Feb 23, 2026 9 views

JVM timing options

For as long as I have been coding in Java, we have had requirements to measure the execution time of blocks of code. While the current good …

Java Java Core

Nicolas Frankel Feb 18, 2026 5 views

Migrating from Jekyll to Hugo... or not

Most of my blog posts are lessons learned. I'm trying to achieve something, and I document the process I used to do it. This one is one of …

Java

Nicolas Frankel Feb 5, 2026 1,599 views

From a JAR to a full-fledged MacOS app

A couple of years ago, I developed a small Kotlin GUI to help me rename my files in batch. I actually created it with different JVM …

Java Use Cases

Nicolas Frankel Feb 2, 2026 9 views

Feedback on checked exceptions and lambdas

I got a lot of interesting feedback on Checked exceptions and lambdas. Let's start with my own: after writing the post, I realized I had …

Java

Nicolas Frankel Jan 19, 2026 9 views

Checked exceptions and lambdas

Java's checked exceptions were a massive improvement over C's error-handling mechanism. As time passed and experience accumulated, we …

Java Java Core

Nicolas Frankel Jan 12, 2026 11 views

From Cloudflare Zero-trust to Tailscale

I have spent some time last year implementing Cloudflare Tunnels on my Home Assistant and my Synology NAS. On Mastodon, I had not one but …

Cloud DevOps

Nicolas Frankel Jan 5, 2026 10 views

2025 in retrospective

From the beginning, the focus of this blog has been technical, very rarely organizational. I broke this unwritten rule once in 2015. I began …

Opinion

Nicolas Frankel Dec 17, 2025 10 views

YOW! 2025

I have been eyeing the YOW! conferences for probably more than a decade. They occur in Australia, and feature top industry experts. I was …

Conference

JDK 27: Post-Quantum Java Arrives
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Your GPU spend is optimized. Your JVM probably isn’t.
Hidden JVM inefficiencies - GC pauses, conservative JIT, slow warm-up - are quietly draining your AI infrastructure's performance and cloud spend. This guide shows how to eliminate that drag and scale with fewer nodes.
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Welcome to the new Foojay!
The same content from amazing Java developers, now in a new home. Foojay has been rebuilt from the ground up!
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OCX Webinar Week: a first look at OCX27
Five days of live webinars on 2-6 November on AI agents, Jakarta EE, code signing, embedded systems and more. Join live for €50 off an OCX27 early bird ticket.
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