279: Hot Code Upgrades and Hotter AI Takes

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 (http://podcast.thinkingelixir.com/279) Elixir Community News https://paraxial.io/ (https://paraxial.io/?utm_source=thinkingelixir&utm_campaign=thinkingelixir-oct2025) – 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 (https://github.com/chrismccord/fly_deploy?utm_source=thinkingelixir&utm_medium=shownotes) – 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 (https://nitter.net/sleipni_r/status/1986791040607481930?utm_source=thinkingelixir&utm_medium=shownotes) – 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 (https://github.com/elixir-error-tracker/error-tracker/releases/tag/v0.7.0?utm_source=thinkingelixir&utm_medium=shownotes) – ErrorTracker v0.7.0 released with Igniter installer, LiveView 1.0 support, better MariaDB support, and security updates https://github.com/metehan/exterm_ai (https://github.com/metehan/exterm_ai?utm_source=thinkingelixir&utm_medium=shownotes) – 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 (https://github.com/elixir-horde/horde?utm_source=thinkingelixir&utm_medium=shownotes) – Horde - distributed Supervisor and Registry backed by DeltaCrdt https://github.com/elixir-horde (https://github.com/elixir-horde?utm_source=thinkingelixir&utm_medium=shownotes) – 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 (https://bsky.app/profile/peregrine.bsky.social/post/3m52kusb7ek2x?utm_source=thinkingelixir&utm_medium=shownotes) – PSA for Zed editor users about Expert LSP not having versioned releases yet https://gist.github.com/dbernheisel/b533b289fd5ed13f8333ae92a71c9606 (https://gist.github.com/dbernheisel/b533b289fd5ed13f8333ae92a71c9606?utm_source=thinkingelixir&utm_medium=shownotes) – David's guide for configuring Zed to manually update Expert LSP https://bsky.app/profile/smartlogic.io/post/3m5ecck4h3j2q (https://bsky.app/profile/smartlogic.io/post/3m5ecck4h3j2q?utm_source=thinkingelixir&utm_medium=shownotes) – SmartLogic announcement about ICRT case study https://smartlogic.io/case-studies/icrt (https://smartlogic.io/case-studies/icrt?utm_source=thinkingelixir&utm_medium=shownotes) – 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 (https://johnelmlabs.com/posts/top-3-liveview-form-mistakes?utm_source=thinkingelixir&utm_medium=shownotes) – 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 (https://boragonul.com/post/falling-in-love-with-erlang?utm_source=thinkingelixir&utm_medium=shownotes) – Article about falling in love with Erlang https://www.yellowduck.be/posts/why-i-chose-phoenix-liveview-over-rails-laravel-and-next-js (https://www.yellowduck.be/posts/why-i-chose-phoenix-liveview-over-rails-laravel-and-next-js?utm_source=thinkingelixir&utm_medium=shownotes) – 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/ (https://github.blog/news-insights/octoverse/octoverse-a-new-developer-joins-github-every-second-as-ai-leads-typescript-to-1/?utm_source=thinkingelixir&utm_medium=shownotes) – 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 (https://twitter.com/ThinkingElixir) or email at show@thinkingelixir.com (mailto:show@thinkingelixir.com) 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 (https://www.youtube.com/watch?v=DULfEcPR0Gc?utm_source=thinkingelixir&utm_medium=shownotes) – 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 (https://github.com/maxim-ist/elixir-architect?utm_source=thinkingelixir&utm_medium=shownotes) – New Elixir Architect Claude Code skill for AI-assisted development Find us online - Message the show - Bluesky (https://bsky.app/profile/thinkingelixir.com) - Message the show - X (https://x.com/ThinkingElixir) - Message the show on Fediverse - @ThinkingElixir@genserver.social (https://genserver.social/ThinkingElixir) - Email the show - show@thinkingelixir.com (mailto:show@thinkingelixir.com) - Mark Ericksen on X - @brainlid (https://x.com/brainlid) - Mark Ericksen on Bluesky - @brainlid.bsky.social (https://bsky.app/profile/brainlid.bsky.social) - Mark Ericksen on Fediverse - @brainlid@genserver.social (https://genserver.social/brainlid) - David Bernheisel on Bluesky - @david.bernheisel.com (https://bsky.app/profile/david.bernheisel.com) - David Bernheisel on Fediverse - @dbern@genserver.social (https://genserver.social/dbern)