The Curious Engineer

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37signals Dev

dev.37signals.com

The 37signals Dev blog is brought to you by the people who build Basecamp, HEY, Fizzy, and ONCE ✌️❤️

Ruby / RailsDevOps / SRE / infrastructureWeb development

’22’23’24’25’26
Posts
65 from 13 Jun 2022 to 19 Oct 2026
Posting
monthly (10 in the last year)
Kind
company blog
Feed
https://dev.37signals.com/feed/posts.xml

2026 9

  1. Parsing JSON-structured Docker logs with the OpenTelemetry Collector
  2. Hot Cell v1.0: Securing Active Storage in the age of AI
  3. Warming up the Puma master before it forks
  4. Lexxy 1.0 is here
  5. The ONCE app server
  6. Behind the Fizzy Infrastructure
  7. Introducing Upright: An Open Source Synthetic Monitoring System
  8. Rails Multi-Tenancy
  9. Moving Mountains of Data off S3

2025 6

  1. The Rails Delegated Type Pattern
  2. Lexxy: A new rich text editor for Rails
  3. Running our Docker registry on-prem with Harbor
  4. Introducing Action Push Native
  5. Announcing Hotwire Native 1.2
  6. Monitoring 10 Petabytes of data in Pure Storage

2024 17

  1. Announcing Hotwire Spark: live reloading for Rails applications
  2. A vanilla Rails stack is plenty
  3. Mission Control — Jobs 1.0 released
  4. All about QA
  5. Solid Queue 1.0 released
  6. Kamal 2.0 released
  7. Announcing Hotwire Native
  8. The gift of constraints
  9. Homographic Spoofing: a new Ruby toolkit
  10. Prometheus metrics with Rails and Kamal
  11. Mission Control — Web
  12. Modern CSS patterns in Campfire
  13. My adventures hunting down a Ruby memory leak 🎢
  14. Thruster is now open source
  15. Speeding up mobile development with Turbo
  16. Turbo 8 released
  17. Mission Control — Jobs

2023 22

  1. Introducing Solid Queue
  2. Basecamp code runs 18% faster with YJIT
  3. Demo of page refreshes with morphing
  4. The radiating programmer
  5. Building Basecamp project stacks with Hotwire
  6. Exploring server-side diffing in Turbo
  7. A happier happy path in Turbo with morphing
  8. Solid Cache
  9. Navigating personal information with care
  10. Announcing Strada
  11. 2023 Summer Intern Program: Who, what and how
  12. Leaning imperative
  13. Web programming internship
  14. Minding the small stuff in pull request reviews
  15. Prometheus metrics at 37signals
  16. 37signals datacenter overview
  17. Globals, callbacks and other sacrileges
  18. A Friday email incident
  19. De-cloud and de-k8s — bringing our apps back home
  20. Pending tests
  21. Bringing Card Table to the small screen
  22. Our cloud spend in 2022

2022 11

  1. Active Record, nice and blended
  2. Compared to what?
  3. Better navigation in HEY
  4. The 10x development environment
  5. A week in the life of a product designer
  6. Making export jobs more reliable
  7. Vanilla Rails is plenty
  8. Faster pagination in HEY
  9. Good concerns
  10. Fractal journeys
  11. Domain driven boldness