David Heinemeier Hansson

David Heinemeier Hansson

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Father of three, Creator of Ruby on Rails + Omarchy, Co-owner & CTO of 37signals, Shopify director, NYT best-selling author, and Le Mans 24h class-winner.

Sabbaticals Keep Our Attrition at Bay
BlogOct 29, 2025

Sabbaticals Keep Our Attrition at Bay

37signals says offering a six-week sabbatical every three years has been a simple, effective tool to curb churn in an industry where average tenure is about 18 months. The company reports the policy — in place for roughly 15 years...

By David Heinemeier Hansson
7‑Second Deployments with Kamal’s Local Registry
SocialOct 26, 2025

7‑Second Deployments with Kamal’s Local Registry

Deploying a change with Kamal using the new local registry against my homelab server is now down to 7 seconds. Getting close to those FTP-drag-to-production days 😄🤘 https://t.co/Okdt1fWiHv

By David Heinemeier Hansson
Adobe Threatens House Lien over Subscription Access
SocialOct 23, 2025

Adobe Threatens House Lien over Subscription Access

What's next, Adobe? Asking for a lien on my house to "protect against losing access to my Adobe plan"? https://t.co/ciqEYa3qqP

By David Heinemeier Hansson
Avoid Premature Serviceification: Don’t Distribute Your Computing
SocialOct 23, 2025

Avoid Premature Serviceification: Don’t Distribute Your Computing

"The problem with prematurely turning your application into a range of services is chiefly that it violates the #1 rule of distribute computing: Don’t distribute your computing!" https://t.co/mYbAKIRvCf

By David Heinemeier Hansson
Monoliths Outshine Microservices for Most Web Apps
SocialOct 23, 2025

Monoliths Outshine Microservices for Most Web Apps

The majestic monolith remains undefeated for the vast majority of web apps. Replacing method calls with network calls makes everything harder, slower, and more brittle. It should be the absolute last resort. https://t.co/ZuyGrwrM0Q

By David Heinemeier Hansson
Centralized Cloud Stifles Innovation, Yet Still Benefits Us
SocialOct 22, 2025

Centralized Cloud Stifles Innovation, Yet Still Benefits Us

I discussed the problems with centralizing the internet (on us-east-1 in particular!) with @lexfridman just this summer: How we've strayed from DARPA's original design, forgotten how enjoyable and profitable owning servers can be, yet still can be thankful for the...

By David Heinemeier Hansson
Self‑hosting Cut Costs by $2M+ Yearly
SocialOct 21, 2025

Self‑hosting Cut Costs by $2M+ Yearly

Since 2017, we ended up spending almost $22m on cloud. Peaking at $3.7m in 2021. Now that we're all out, we'll spend a little over a million on everything we own ourselves. Same team size. Better performance. Saving $2m+ per...

By David Heinemeier Hansson
We Just Nuked Our Entire AWS Account After Migrations
SocialOct 20, 2025

We Just Nuked Our Entire AWS Account After Migrations

I swear we didn't plan this, but just today, we finally NUKED our entire AWS account at the 37signals company meetup! This followed moving out compute+dbs in 2023, then S3 this summer, and now finally the entire account is GONE...

By David Heinemeier Hansson
Cloud Hype Scared Devs Into Costly Centralized Dependencies
SocialOct 20, 2025

Cloud Hype Scared Devs Into Costly Centralized Dependencies

Cloud marketing convinced a generation of programmers that the scariest thing in the world was to connect their own server to the internet. All so they could be sold and resold the same centralized dependencies at huge markups. https://t.co/2JlPY9Pcz0 https://t.co/yB9ZBPJr0J

By David Heinemeier Hansson
Omarchy Roadmap: Private Migrations for Seamless Fleet Updates
SocialOct 19, 2025

Omarchy Roadmap: Private Migrations for Seamless Fleet Updates

I have a lot of plans for how we make Omarchy even better for corporate use. Like private migrations integrated directly with the system update for fleet wide updates and bootstrapping.

By David Heinemeier Hansson
Kamal 2.8 Adds Local Registry, Simplifying Rails Deployments
SocialOct 18, 2025

Kamal 2.8 Adds Local Registry, Simplifying Rails Deployments

Kamal 2.8 will finally give us a local registry option for simple deploys. This means you won't need a Docker Hub or GHCR setup just to see your app in production. Will get this snuck into Rails 8.1 before we...

By David Heinemeier Hansson
Fleet MDM Adds Arch, Omarchy Support for Mac‑free Migrations
SocialOct 18, 2025

Fleet MDM Adds Arch, Omarchy Support for Mac‑free Migrations

Fleet MDM just added explicit support for Arch and Omarchy. This seems like a great option if your organization is leaving the Mac and needs a Kandji replacement. https://t.co/Fw6bywEzuU https://t.co/ndyq8UzYIv

By David Heinemeier Hansson
Omarchy 3.1 Unifies Copy/Paste with Super Keys
SocialOct 16, 2025

Omarchy 3.1 Unifies Copy/Paste with Super Keys

Omarchy 3.1 is also shipping with unified copy/paste hotkeys. Super + C / V. No more remembering that it's Ctrl + C / V in a browser and Ctrl + Shift + C / V in a Terminal. Oh, and...

By David Heinemeier Hansson