November 18, 2025

279: Hot Code Upgrades and Hotter AI Takes

46 minutes

News includes Chris McCord's FlyDeploy for zero-downtime hot code upgrades on Fly.io, the Elixir GRPC library update with interactive Livebook documentation, ErrorTracker v0.7.0 with LiveView 1.0 support, a new AI-powered terminal emulator called exterm_ai, Horde joining a new GitHub organization focused on distributed systems, SmartLogic's case study using Elixir for real-time air quality monitoring, GitHub's 2025 Octoverse report showing TypeScript becoming the most used language, and Mark shares his detailed AI development workflow that compresses 2 weeks of work into 2 days by using coding agents as a Software Architect, and more!

Show Notes online - http://podcast.thinkingelixir.com/279

Elixir Community News

https://paraxial.io/ – Paraxial.io is sponsoring today's show! Sign up for a free trial of Paraxial.io today and mention Thinking Elixir when you schedule a demo for a special offer.

https://github.com/chrismccord/fly_deploy – Chris McCord releases FlyDeploy - enables hot code upgrades for Elixir applications on Fly.io without restarts or downtime

https://nitter.net/sleipni_r/status/1986791040607481930 – Elixir GRPC library updated to v0.11.4 with beautiful interactive Livebook documentation and new stream features including effects and map_error

https://github.com/elixir-error-tracker/error-tracker/releases/tag/v0.7.0 – ErrorTracker v0.7.0 released with Igniter installer, LiveView 1.0 support, better MariaDB support, and security updates

https://github.com/metehan/exterm_ai – exterm_ai - an advanced web-based terminal emulator with built-in AI assistance powered by OpenRouter, like a web-based warp.dev

https://github.com/elixir-horde/horde – Horde - distributed Supervisor and Registry backed by DeltaCrdt

https://github.com/elixir-horde – New @elixir_horde GitHub organization focused on distributed systems, fault-tolerant supervision, and global process registration

https://bsky.app/profile/peregrine.bsky.social/post/3m52kusb7ek2x – PSA for Zed editor users about Expert LSP not having versioned releases yet

https://gist.github.com/dbernheisel/b533b289fd5ed13f8333ae92a71c9606 – David's guide for configuring Zed to manually update Expert LSP

https://bsky.app/profile/smartlogic.io/post/3m5ecck4h3j2q – SmartLogic announcement about ICRT case study

https://smartlogic.io/case-studies/icrt – SmartLogic case study on using Elixir to help researchers with real-time air quality monitoring and alerts for residents

https://johnelmlabs.com/posts/top-3-liveview-form-mistakes – Article covering the top 3 LiveView form mistakes - slow laggy forms, brittle UI/database coupling, and valid data that can't submit

https://boragonul.com/post/falling-in-love-with-erlang – Article about falling in love with Erlang

https://www.yellowduck.be/posts/why-i-chose-phoenix-liveview-over-rails-laravel-and-next-js – Article explaining why the author chose Phoenix LiveView over Rails, Laravel, and Next.js

https://github.blog/news-insights/octoverse/octoverse-a-new-developer-joins-github-every-second-as-ai-leads-typescript-to-1/ – GitHub's 2025 Octoverse report showing TypeScript overtaking Python and JavaScript, 36M new developers joined, and AI adoption accelerating

Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at [email protected]

Discussion Resources

Mark shares his AI development workflow using Claude Code and Cursor, going from PRD to implementation plan to working code with tests in 2 days instead of 2 weeks

https://www.youtube.com/watch?v=DULfEcPR0Gc – Y Combinator podcast about why enterprise is bad at AI, discussing the MIT report on AI initiative failures

https://github.com/maxim-ist/elixir-architect – New Elixir Architect Claude Code skill for AI-assisted development

Find us online

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Mark Ericksen on X - @brainlid

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David Bernheisel on Bluesky - @david.bernheisel.com

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