
Thinking Elixir Podcast
The Thinking Elixir podcast is a weekly show where we talk about the Elixir programming language and the community around it. We cover news and interview guests to learn more about projects and developments in the community.
Whether you are already experienced with Elixir or just exploring the language, this show is created with you in mind. We discuss community news, Functional Programming, transitioning from OOP, coding conventions, and more.
Guests visit the show to help challenge our assumptions, learn about new developments and grow in the process.
Subscribe to join us on this journey!
Latest episodes

Apr 9, 2024 • 21min
197: Thinking Elixir News
In this episode, we're diving into the fascinating world of at-home AI with a ready-to-deploy project harnessing Bumblebee and Fly GPUs, unraveling the tale of how an Xz backdoor catastrophe was narrowly sidestepped, and highlighting the power of customizing your Elixir IEx environment. We'll also touch upon the eager anticipation for ElixirConf EU, taking place in Lisbon, where innovations in vehicular tech meet Elixir, and the upcoming NervesConf US - a prime event for embedded systems enthusiasts. Tune in for these buzzworthy topics and more!
Show Notes online - http://podcast.thinkingelixir.com/197
Elixir Community News
https://twitter.com/brainlid/status/1775148526621827548 – Tweet about an easy at-home AI project using Bumblebee and Fly GPUs.
https://fly.io/phoenix-files/easy-at-home-ai-with-bumblebee-and-fly-gpus/ – Blog post detailing the easy deployment of LLM models on Fly.io machines with GPUs.
https://github.com/fly-apps/bumblebee-model-harness – GitHub repository for deploying Llama 2 7B, Mistral 7B, and Zephyr 7B LLMs with Bumblebee.
https://twitter.com/fr0gger_/status/1774342248437813525 – Tweet about the mostly avoided disaster of the Xz backdoor.
https://xkcd.com/2347/ – Related XKCD comic regarding the pressure on open-source developers.
https://en.wikipedia.org/wiki/XZ_Utils_backdoor – Wikipedia article on the XZ Utils backdoor incident.
https://www.wired.com/story/xz-backdoor-everything-you-need-to-know/ – Wired article providing an overview of the Xz backdoor event.
https://diff.hex.pm/ – A resource for Elixir developers to inspect changes between published versions of Hex packages.
https://gist.github.com/brainlid/5cc4944509de87289fb1a1680da22911 – Gist showing an example of an .iex.exs file for customizing IEx behavior.
https://hexdocs.pm/iex/IEx.html#module-the-iex-exs-file – HexDocs documentation on the .iex.exs file.
https://www.elixirconf.eu/ – Website for ElixirConf EU, Europe's largest Elixir Conference.
https://twitter.com/mlainez/status/1773679346328195334 – Tweet teasing a talk about retrofitting a Nissan leaf engine into VWGroup body and using Elixir.
https://twitter.com/NervesConfUS/status/1774473097426370744 – Tweet announcing NervesConf US, a one-day single-track conference.
https://nervesconf.us/ – The official site for NervesConf US with the date and venue information.
https://www.gigcityelixir.com/ – The official site for GigCityElixir with dates and speaker announcements.
https://2024.elixirconf.com/ – The official site for ElixirConf US including dates and location.
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com
Find us online
Message the show - @ThinkingElixir
Message the show on Fediverse - @ThinkingElixir@genserver.social
Email the show - show@thinkingelixir.com
Mark Ericksen - @brainlid
Mark Ericksen on Fediverse - @brainlid@genserver.social
David Bernheisel - @bernheisel
David Bernheisel on Fediverse - @dbern@genserver.social
Cade Ward - @cadebward
Cade Ward on Fediverse - @cadebward@genserver.social
Sponsored By:Fly.io: Fly.io is a great place to deploy your next Phoenix application! Check them out!

Apr 2, 2024 • 21min
196: Thinking Elixir News
This week's news includes the release of OTP 27.0-rc2 featuring the new json module, Phoenix Live reload's insightful update, and Chris McCord's blog post that surfaces server logs directly in your browser console. We're also discussing the streamlined workflows in Oban Pro 1.4.0, and a deeper discussion on recent Redis licensing changes that have sent ripples through the open-source community. If that's not enough, we've got insights into the refactoring Elixir survey that's underway and we share some innovative tools like the Livebook Smart Cell Template. Tune in for this and more!
Show Notes online - http://podcast.thinkingelixir.com/196
Elixir Community News
https://twitter.com/michalmuskala/status/1770748066976424195 – Tweet announcing the release of OTP 27.0-rc2.
https://github.com/erlang/otp/releases/tag/OTP-27.0-rc2 – GitHub link to OTP 27.0-rc2 release which includes the json module proposed by Michał Muskała.
https://twitter.com/chris_mccord/status/1772631567568871575 – Chris McCord's tweet regarding the update to Phoenix Live Reload.
https://fly.io/phoenix-files/phoenix-dev-blog-server-logs-in-the-browser-console/ – Blog post detailing updates to Phoenix Live Reload and server logs in the browser console.
https://twitter.com/sorentwo/status/1771170601153003648 – Tweet announcing the release of Oban Pro 1.4.0.
https://getoban.pro/releases/pro/v1.4 – Official release notes for Oban Pro 1.4.0.
https://twitter.com/elixirfun/status/1770336803280556486 – Public service announcement for Logger users to avoid pipes that may be compiled out.
https://elixirforum.com/t/logging-a-silent-performance-killer/3258 – Forum post discussing how purging loggers can aid in performance.
https://twitter.com/ac_alejos/status/1770642763802952021 – Andrés Alejos shares his template for SmartCells with Vite JS and Tailwind Css support.
https://github.com/acalejos/kino_smartcell_template/ – GitHub link to the SmartCell template for Livebook.
https://hexdocs.pm/liveview_playground/0.1.1/readme.html – Documentation for the "simple setup" LiveView server running library.
https://github.com/lubien/liveview_playground – GitHub repository for the library that simplifies setting up a LiveView server.
https://twitter.com/josevalim/status/1770458542849339646 – José Valim's tweet inviting Elixir developers to participate in a survey on refactoring.
https://docs.google.com/forms/d/e/1FAIpQLSey_cf-gsGSbqJ2un4ySlWv7Y3vzzzwZzexnC8sDr7pNPHQ8Q/viewform – Google Forms survey on refactoring in Elixir conducted by a team of researchers.
https://twitter.com/lucasvegi/status/1770457760469057815 – Additional invitation to Elixir developers to contribute to a survey on refactorings.
https://lwn.net/Articles/966133/ – Article discussing the change in the Redis license, which no longer qualifies as free software.
https://www.gomomento.com/blog/rip-redis-how-garantia-data-pulled-off-the-biggest-heist-in-open-source-history – Blog post exploring the history of the Redis project and its recent licensing changes.
https://andrewkelley.me/post/redis-renamed-to-redict.html – Post announcing a fork of Redis to Redict due to licensing issues.
https://redict.io/ – Official website of Redict, the independent fork of Redis.
http://antirez.com/news/133 – Creator of Redis, Salvatore Sanfillipo, discussing the transfer of IP and trademark rights.
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com
Find us online
Message the show - @ThinkingElixir
Message the show on Fediverse - @ThinkingElixir@genserver.social
Email the show - show@thinkingelixir.com
Mark Ericksen - @brainlid
Mark Ericksen on Fediverse - @brainlid@genserver.social
David Bernheisel - @bernheisel
David Bernheisel on Fediverse - @dbern@genserver.social
Cade Ward - @cadebward
Cade Ward on Fediverse - @cadebward@genserver.social
Sponsored By:Fly.io: Fly.io is a great place to deploy your next Phoenix application! Check them out!

Mar 26, 2024 • 53min
195: Migrating from Next.js to Phoenix
Ben Reinhart shares his journey from JavaScript to Elixir, highlighting the benefits of transitioning to Phoenix for improved performance and simplified development. He discusses the challenges of migrating from Next.js, the importance of operational simplicity, and utilizing cutting-edge technologies like AI. The discussion covers leveraging Phoenix LiveView instead of JavaScript, maintaining server-side logic, and the advantages of Elixir documentation and code examples for a successful migration process.

Mar 19, 2024 • 53min
194: Operational Elixir: Knowing When to Grow Up
The podcast delves into the journey of Zach Daniel from startups to midsize companies, discussing strategic scaling timing for monitoring tools. It highlights the value of blame-free culture, hands-on experiences with deployments and Kubernetes. Also, it includes updates on Elixir community news, such as new case studies and library releases.

Mar 12, 2024 • 55min
193: Operational Elixir: Observing the Midsize Madness
In this engaging third episode of our series, Dave Lucia returns to delve into the various systems that support small and medium-sized teams and companies for their Elixir systems. Dave shares insights gained from a range of situations including working at startups on up to Series C and D sized companies, with a particular focus on the critical role of observability tools. Drawing on his extensive experience, Dave discusses how these tools can greatly enhance a team's ability to monitor and troubleshoot applications, ensuring high performance and reliability. Tune in for a comprehensive look at the essential systems and tools that can make a tangible difference in the day-to-day operations of Elixir-powered organizations, and more!
Show Notes online - http://podcast.thinkingelixir.com/193
Elixir Community News
https://twitter.com/josevalim/status/1762921819776934146 – José Valim has teased a new feature for Elixir 1.17 which may include a mix test flag --breakpoints for debugging failed tests.
https://gleam.run/news/gleam-version-1/ – Gleam v1.0 has been released, marking the language's stability and readiness for production with a commitment to maintain backwards compatibility.
https://github.com/underjord/entrace – Lars Wikman shared his work on the Entrace tracing project, offering easier tracing support to applications.
https://github.com/underjord/entrace_live_dashboard – Entrac LiveDashboard was announced by Lars Wikman to add a tracing page to the LiveDashboard plugin.
https://docs.google.com/forms/d/e/1FAIpQLSeGxJUadP1CaaU6EnTwe7Hv76RnBLIiqT6SJLIBvncHcEzGRg/viewform – The Call for Proposals for talks at ElixirConfUS is open, including information to book hotel rooms for the event taking place from August 28-30, 2024.
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com
Discussion Resources
https://podcast.thinkingelixir.com/75 – Previous interview with Dave Lucia talking about RabbitMQ and Commanded
https://podcast.thinkingelixir.com/97 – Previous interview with Dave Lucia talking about Avro and Elixir
https://podcast.thinkingelixir.com/129 – Previous interview with Dave Lucia talking about Time series data with Timescale DB
https://Sentry.io
https://www.servicenow.com/products/observability.html – Observability tool formerly knowns as LightStep
https://www.honeycomb.io/
https://opentelemetry.io/docs/collector/
https://github.com/open-telemetry
https://opentelemetry.io/docs/concepts/signals/traces/
https://hex.pm/packages/opentelemetry
https://hex.pm/packages/opentelemetry_exporter
https://davelucia.com/ – Dave's personal blog
https://github.com/prometheus/prometheus
https://grafana.com/
https://grafana.com/docs/loki/latest/send-data/promtail/
https://fly.io/docs/reference/metrics/
https://isburmistrov.substack.com/p/all-you-need-is-wide-events-not-metrics
https://amplitude.com/
Custom LiveView admin pages for dashboards
https://postmarkapp.com/
https://sendgrid.com/en-us
https://milkroad.com/ – A newsletter company that Dave Lucia worked at.
https://www.beehiiv.com/ – Newsletters as a service company
https://ahrefs.com/ – Tracking the back links from other sites to yours for SEO
https://search.google.com/search-console/about
https://github.com/dbernheisel/phoenix_seo
https://tvlabs.ai/ – Where Dave Lucia is working now.
Guest Information
https://twitter.com/davydog187 – on Twitter
https://github.com/davydog187/ – on Github
https://davelucia.com – Blog
https://tvlabs.ai – TVLabs company where he works now.
Find us online
Message the show - @ThinkingElixir
Message the show on Fediverse - @ThinkingElixir@genserver.social
Email the show - show@thinkingelixir.com
Mark Ericksen - @brainlid
Mark Ericksen on Fediverse - @brainlid@genserver.social
David Bernheisel - @bernheisel
David Bernheisel on Fediverse - @dbern@genserver.social
Cade Ward - @cadebward
Cade Ward on Fediverse - @cadebward@genserver.social
Sponsored By:Fly.io: Fly.io is a great place to deploy your next Phoenix application! Check them out!

Mar 5, 2024 • 1h
192: Operational Elixir: Scrappy Startups Edition
Join the discussion on running lean startups in the Elixir ecosystem, focusing on cost-effective solutions and essential tools for scrappy startups. Explore insights into startups like Prise.com and ElixirMerge.com, along with updates on Erlang EEP 68, PGlite for browsers, and the latest features in Elixir LS and Lexical LS versions.

Feb 27, 2024 • 46min
191: Operational Elixir: What's Supporting the Apps at Felt.com and SleepEasy.app?
Guest Tyler Young shares insights on systems supporting Elixir apps at Felt.com and SleepEasy.app. Topics include innovative object storage solutions, WebRTC library implementation, ElixirConf US 2024 details, support systems for Elixir apps in various companies, creating SleepEasy for website monitoring, and strategic decision-making for startup success.

5 snips
Feb 20, 2024 • 20min
190: Thinking Elixir News
Discover the latest updates on Phoenix LiveView towards version 1.0, the new testing utility example_test for Elixir, the Erlang community's proposal to integrate JSON, Fly.io's GPU instances availability, and Gleam's journey to its 1.0.0 release.

Feb 13, 2024 • 13min
189: Thinking Elixir News
Covering topics like Elixir 1.16.1 release, ExUnit testing tips, Bandit performance boosts, Phoenix route parameters, Inch's 10-year anniversary. Also, discussing dark side of AI with a deepfake phishing scam and more!

Feb 6, 2024 • 17min
188: Thinking Elixir News
In this week's news, we follow-up on Erlang's use of ExDoc with José Valim's reveal of upcoming features for ExDoc that promises to enhance documentation experiences. We'll also explore the return of the Elixir Slack inviter, now powered by a Plug app, and take a look at the latest PhoenixTest project, aiming to unify testing workflows for LiveView and static pages. Plus, we discuss adding sound effects to LiveView with Howler.js and get a sneak peek at the Nx library's newest Explorer v0.8 release, bridging Elixir to GPU operations for data exploration, and more!
Show Notes online - http://podcast.thinkingelixir.com/188
Elixir Community News
https://twitter.com/josevalim/status/1749453086232351173 – José Valim shared insights on big plans for ExDoc, including autocompletion and cross-package search, following Erlang's adoption of ExDocs with OTP 27.
https://elixir-lang.slack.com/archives/C03EPRA3B/p1706132703749299 – Return of the Elixir Slack inviter, now through a Plug app that redirects to Slack invites.
https://github.com/elixir-lang/elixir-lang.github.com/pull/1746 – Users are encouraged to help maintain the Elixir Slack community's health by contributing invite tokens.
https://github.com/sorentwo/elixir-slack – GitHub project for the Elixir Plug application managing Slack invite redirections.
https://github.com/dashbitco/nimble_ownership – New NimbleOwnership library for tracking resource ownership across processes, useful for isolating resource access in test suites.
https://hexdocs.pm/phoenix_test – PhoenixTest project by German Velasco to unify feature testing for LiveView and static pages in Elixir.
https://twitter.com/germsvel/status/1751971517326414063 – Announcement of the PhoenixTest project that aims to provide seamless navigation and testing between LiveView and static pages.
https://hexdocs.pm/phoenix_test/readme.html#why-phoenixtest – An explanation of the reasoning behind the creation of the PhoenixTest project for a unified testing experience.
https://fly.io/phoenix-files/making-phoenix-liveview-sing/ – A guide on adding sound effects to LiveView pages, dealing with browser restrictions and integrating with Howler.js for user interaction.
https://cigrainger.com/explorer-0-8-0/ – Release details of Explorer v0.8 in the Nx library, a tool for data exploration in Elixir that transitions smoothly between Elixir's syntax and GPU operations.
https://github.com/elixir-explorer/explorer – GitHub repository for the Explorer library, part of the Nx ecosystem, that provides spreadsheet-like functionalities for Elixir.
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com
Find us online
Message the show - @ThinkingElixir
Message the show on Fediverse - @ThinkingElixir@genserver.social
Email the show - show@thinkingelixir.com
Mark Ericksen - @brainlid
Mark Ericksen on Fediverse - @brainlid@genserver.social
David Bernheisel - @bernheisel
David Bernheisel on Fediverse - @dbern@genserver.social
Cade Ward - @cadebward
Cade Ward on Fediverse - @cadebward@genserver.social
Sponsored By:Fly.io: Fly.io is a great place to deploy your next Phoenix application! Check them out!