freddydumont's blog

All Posts

RSS Feed

April 11, 2025
How to add Custom Locations in Nginx Proxy Manager
Setting up custom locations in Nginx Proxy Manager isn't obvious, especially for WebSockets. Here's how to do it right.
May 10, 2024
Generate D2 PNG diagrams in GitHub Actions
Automatically generate and publish D2 diagram PNGs using GitHub Actions.
December 23, 2023
How to generate NixOS LXC templates in GitHub Actions
Run NixOS builds in CI using GitHub Actions and nixos-generators to get ready-to-use LXC templates for Proxmox and other virtualisation platforms.
September 02, 2023
How to configure Vite to include additional folders
A quick solution using resolve.alias to help Vite find generated Panda CSS files outside of its entry folder.
August 14, 2023
Radix Themes vs Primitives
What’s the difference between the recently released Radix Themes and Radix Primitives? How about with other React component libraries? This wasn’t immediately obvious so I looked into it.
August 08, 2023
Separation of concerns
The principle of Separation of concerns is often misapplied to web technologies. HTML, CSS, and JavaScript work together in component-driven web development.
February 18, 2023
How to prevent Theme UI color mode flash
Theme UI’s system color mode can color flash when responding to the prefers-color-scheme media query. Here’s a hack to prevent that.
July 03, 2022
How to use PostGIS with Prisma
Prisma doesn’t support PostGIS, but we can query spatial data using raw database access. This post explores PostGIS basics and the Prisma setup.
May 19, 2022
Why I chose Gatsby (again) for my developer blog
A reflection on analysis paralysis and the value of familiarity in a world of fast changing technology.
April 24, 2022
How to throw an error from an invoked child machine to a parent in xstate
Errors thrown inside invoked promises will trigger the onError block, but invoked child machines require usage of the escalate action.
April 22, 2022
How to test xstate machines invoking async code in Jest
Prevent xstate machines async invocations from persisting after the test is done by using waitFor and keeping a reference to the actor.
December 13, 2019
How to whitelist dynamic Tailwind classes in PurgeCSS
Avoid copy pasting classes with a quick JavaScript function and use the PurgeCSS whitelist configuration option.
December 01, 2019
How to source images and data from JSON files in Gatsby
Use Gatsby’s Node API to process images in JSON files with gatsby-plugin-sharp and customize the shape of your data in GraphQL nodes.
October 12, 2019
Master Git, not the command line
Learning Git isn't about memorizing commands. It's about understanding version control. I suggest using a GUI instead of the CLI to do that.