Dennis Paagman (@dennis.paagman.dev)

Dennis Paagman

@dennis.paagman.dev

Freelance full stack stack Ruby on Rails dev — http://paagman.dev

@dennis.paagman.dev

Tired of your Gemfile being a mess? I built Rebundler: one command to sort, group, and annotate every gem inside it. Find out more at paagman.dev/introducing-rebundler or try it out online at rebundler.dev! Curious to hear what you think ☺️

paagman.devIntroducing Rebundler: make your Gemfile look great with a single commandA new tool that automatically sorts, groups, and annotates your Gemfile.

Dennis Paagman

@dennis.paagman.dev

21 Nov 2025

I've been using local CI with Rails 8.1 the last weeks. It works well and really is faster, as all those slow set up steps are no longer required. I ran into a small bug that I fixed and added a `--fail-fast` option. Both got merged into Rails main already!

Dennis Paagman

@dennis.paagman.dev

21 Nov 2025

I've also made a small pre-push git hook to prevent myself from deploying broken things to Heroku, i've shared it on my website: paagman.dev/rails-local-... All in all it's a great experience and I highly recommend giving it a try, especially for smaller projects!

paagman.devMaking sure local CI is green before deploying to HerokuAutomatically run Rails 8.1’s local CI before deploying to Heroku. This ensures your CI is green before you deploy.

Dennis Paagman reposted

Joel Drapper 🇬🇧❤️🇺🇦

@joel.drapper.me

23 Sept 2025

After listening to about a dozen first-hand accounts, I’ve published what I know about the RubyGems takeover.

joel.drapper.meShopify, pulling strings at Ruby Central, forces Bundler and RubyGems takeoverRuby Central recently took over a collection of open source projects from their maintainers without their consent.

Dennis Paagman

@dennis.paagman.dev

16 Sept 2025

Hotwire Native is extremely future proof and the release of iOS 26 shows why → paagman.dev/hotwire-nati...

paagman.devHotwire Native is extremely future proofThe release of iOS 26 and its new design shows how future-proof Hotwire Native is. No code changes required to upgrade your app to the new look.

Dennis Paagman

@dennis.paagman.dev

29 Aug 2025

Tired of 'No route matches [GET] "/.well-known/appspecific/com.chrome.devtools.json"'? No more with this middleware 👉 paagman.dev/handling-chr...

paagman.devHandling chrome.devtools.json requests in Rails appsHandle Chrome DevTools workspace requests using a simple Rack middleware to eliminate log errors and enable automatic workspace mapping.

Dennis Paagman

@dennis.paagman.dev

25 Apr 2025

@marcoroth.dev I have some files for you on which Herb sometimes crashes (either segfaults, crashes with a bug (try to mark T_NONE object) or a full hang where I have to `kill -9` the process), are you interested in them? I think I can share them with you, but rather not publically on Github!

Dennis Paagman

@dennis.paagman.dev

27 Feb 2025

Wrote up a small article on something I've implemented in my Hotwire Native app that I think is useful for everyone! This opens universal links directly in their own app, but still opens the rest in a modal. paagman.dev/deep-link-ho...

paagman.devDeep link into apps with Hotwire Native and universal links (iOS)Use universal links to open links directly in their app, but keep them in yours otherwise by handling them in a modal.

Dennis Paagman reposted

Joel Drapper 🇬🇧❤️🇺🇦

@joel.drapper.me

27 Jan 2025

I’m available for hire. I’m an experienced Ruby, TypeScript and CSS engineer looking for a new full-time position. I can help you with performance, concurrency, testing, architecture and API design problems on tooling or product teams. I’d really appreciate any personal introductions. DMs open. 🙏

Dennis Paagman

@dennis.paagman.dev

23 Jan 2025

Postgres 17 has made some improvements that can speed up Rails apps a lot (see: benoittgt.github.io/blog/postgre... by @benoittgt.bsky.social). But it's not available on Heroku yet!

benoittgt.github.ioAs Rails developers, why we are excited about PostgreSQL 17Why we are excited about PostgreSQL 17 for our Rails applications.

Dennis Paagman

@dennis.paagman.dev

23 Jan 2025

I asked them and we need to wait a little while longer: > I reached out to our Engineers to know when are we going to release Postgres 17. Looks like we don’t have the ETA as of now. As a very rough timeline, between Feb and April.

Dennis Paagman

@dennis.paagman.dev

6 Jan 2025

I wrote up another small post about Hotwire Native! How to make 'delete' menu items stand out in the menu component. Hopefully it's useful for someone as I really like them this way 🙂 paagman.dev/make-delete-...

paagman.devMake delete actions stand out in Hotwire Native menusAutomatically make menu items red for destructive actions in Hotwire Native menus.

Dennis Paagman

@dennis.paagman.dev

12 Dec 2024

I wrote up a little post about how to get native sharing working with Hotwire Native → paagman.dev/hotwire-nati...

paagman.devBuilding a Native sharing component with Hotwire Native (iOS)Learn how to implement native sharing functionality in your Hotwire Native app using a bridge component

Dennis Paagman

@dennis.paagman.dev

18 Nov 2024

Did you know you can bundle gems directly from a GitHub gist? I didn't, and I'm wondering if anyone ever uses that 🤔 bundler.io/v2.5/man/gem...

bundler.io Bundler: gemfile

Dennis Paagman

@dennis.paagman.dev

15 Nov 2024

Finally migrated my app off Webpacker and onto Vite! Quite a rabbit hole, I had to migrate quite a few things: * Bulma (css framework) from 0.x to 1.x. This required upgrading sassc to dartsass and removing some custom bulma components that are no longer working with 1.x.

Dennis Paagman

@dennis.paagman.dev

15 Nov 2024

Also: * got rid of some old jQuery based libraries, like selectize and a datepicker. Now on hotwire_combobox and the regular browser native datepicker. * introduced Phlex and Tailwind in a few places. * migrated from Font Awesome to Phlex icons.

Dennis Paagman

@dennis.paagman.dev

15 Nov 2024

And: * Upgraded to Turbo 8. * Enabled some of the newer Turbo features like morphing and link prefetching. Feels really smooth and fast. Now onto Rails 8!

Dennis Paagman

@dennis.paagman.dev

1 Nov 2024

It's amazing how fast bundler is nowadays. I remember it taking minutes on a not that large app. How much of that is improvement in hardware vs. improvements in bundler itself?

Dennis Paagman

@dennis.paagman.dev

24 Oct 2024

👋

You are up to date.