ClojureStream Podcast

This podcast featured an in-depth discussion with Howard Lewis Ship (hlship), a core maintainer of Pedestal, about the project's history, recent developments, and future direction. The conversation covered significant updates from the 0.6.0, 0.7.0, and 0.8.0 releases, as well as the expanded documentation efforts. Howard on GitHub - https://github.com/hlship Pedestal on GitHub - https://github.com/pedestal/pedestal Pedestal Documentation - https://pedestal.io/pedestal/0.7/index.html

In this episode, we explore the Functional Core, Imperative Shell (FC/IS) architecture pattern popularized by Gary Bernhardt. This powerful approach separates pure business logic from side effects, resulting in code that's more testable, maintainable, and reasoning-friendly. We'll discuss how FC/IS differs from traditional layered architectures by treating effects as data, enabling an impressive 85% of code to exist as pure functions. Using the analogy of a presidential cabinet, we explain how the functional core makes decisions while the imperative shell handles execution. The episode covers practical implementation strategies, the crucial role of Datomic in solving the "all relevant facts" problem, and real-world benefits including enhanced REPL-driven development, simplified error reproduction, and improved system observability. Emacs Rocks - https://emacsrocks.com Parens of the dead - https://parens-of-the-dead.com Replicant - https://replicant.fun FC/IS - https://www.destroyallsoftware.com/screencasts/catalog/functional-core-imperative-shell FC/IS with types https://www.youtube.com/watch?v=P1vES9AgfC4 Datomic - https://www.datomic.com

Summary: In this episode, Max Penet talks about his software development journey, Exoscale, and open-source work. Key Repositories & Links Max Penet - https://github.com/mpenet Lingo - https://github.com/exoscale/lingo Pact - https://github.com/mpenet/pact Coax - https://github.com/exoscale/coax Support the Podcast: Get Clojure Stream courses at https://clojure.stream/ Sponsor via GitHub Sponsors: https://github.com/sponsors/jacekschae Support the Podcast by subscribing, leaving a review, or sharing with friends. Thank you for tuning in! Stay tuned for our next episode coming soon.

Summary: In this episode, Christian Johansen talks about Replicant a data-driven rendering library for Clojure(Script). It renders hiccup to strings or DOM nodes. Key Repositories & Links Christian Johansen - https://github.com/cjohansen Christian Johansen Blog - https://cjohansen.no Replicant (GitHub) – https://github.com/cjohansen/replicant Replicant (website) - https://replicant.fun i18n - https://github.com/cjohansen/m1p Test library - https://github.com/cjohansen/lookup Support the Podcast: Get Clojure Stream courses or subscription at https://clojure.stream/ Sponsor via GitHub Sponsors: https://github.com/sponsors/jacekschae Support the Podcast by subscribing, leaving a review, or sharing with friends. Thank you for tuning in! Stay tuned for our next episode coming soon.

Alex Miller on GitHub - https://github.com/puredanger Clojure 1.12 - https://clojure.org/news/2024/09/05/clojure-1-12-0 Clojure Conj 20% ticket discount - https://ti.to/nubank/clojureconj-2024/discount/CLOJURESTREAM FREE Clojure Conj ticket - create an issue on https://github.com/clojurestream/podcast and propose a podcast episode. Out of the proposed podcast one person will be chosen and awarded ticket to 2024 Clojure Conj.

Alex Miller on GitHub - https://github.com/puredanger

Francis Acila on GitHub - https://github.com/favila Datomic - https://www.datomic.com/ Shortcut - https://www.shortcut.com/

Kit Workshop - https://clojure.stream/workshops/kit Dimitri on Twitter - twitter.com/yogthos Dimitri on GitHub - github.com/yogthos Dimitri on 500px - 500px.com/p/dmitrisotnikov Dimitri's website - yogthos.net Kit on GitHub - https://github.com/kit-clj/kit Kit's website - https://kit-clj.github.io/ Clojure courses, workshops, and more ... https://clojure.stream/

Roman on GitHub - https://github.com/roman01la Roman on YouTube - https://www.youtube.com/@roman01la UIx - https://github.com/pitch-io/uix

Alex on GitHub - https://github.com/armincerf React Query - https://github.com/TanStack/query Babashka - https://github.com/babashka/babashka SCI - https://github.com/babashka/sci Scittle - https://github.com/babashka/scittle EQL - https://github.com/edn-query-language/eql

Malcolm on Twitter - twitter.com/malcolmsparks Malcolm on GitHub - github.com/malcolmsparks Atomic Architecture - https://www.juxt.pro/blog/atomic-architecture/ Atomic Architecture JUXT Conf - https://www.youtube.com/watch?v=5ygrCpC0axM

Martin on GitHub - https://github.com/mk nextjournal - https://nextjournal.com/ Book of Clerk - https://github.clerk.garden/nextjournal/book-of-clerk Clerk Garden- https://github.clerk.garden/ Clerk Workshop - https://clojure.stream/workshops/clerk Clerk Workshop Discount - https://www.jacekschae.com/clerk-workshop-2023-05?coupon=CSPOD-2023-05 ClojureSteram - https://clojure.stream/

Paula on Twitter twitter.com/quoll Paula on GitHub github.com/quoll Data Structures Workshop - https://clojure.stream/workshops/data-structures DISCOUNT -- https://www.jacekschae.com/data-structures-workshop-2023-04?coupon=CSPOD-2023-04 Support the podcast: Learn Idiomatic Clojure clojure.stream GitHub Sponsors: github.com/sponsors/jacekschae

Rahul on GitHub - https://github.com/lispyclouds Rahul on Twitter - https://twitter.com/lispyclouds Babashka Workshop - https://clojure.stream/workshops/babashka Babashka Workshop Discount - https://www.jacekschae.com/babashka-workshop-2023-03?coupon=CSPOD-2023-03-08 Babashka - https://github.com/babashka/babashka Bob - https://github.com/bob-cd/bob

Erik on GitHub - https://github.com/slipset CLJ Commons - https://github.com/clj-commons Clojure Courses and Workshops - https://clojure.stream/

Christophe Grand - https://github.com/cgrand Baptiste Dupuch - https://github.com/dupuchba ClojureDart repo - https://github.com/Tensegritics/ClojureDart ClojureDart Workshop - https://clojure.stream/workshops/clojuredart ClojureDart Workshop Discount - https://www.jacekschae.com/clojuredart-workshop-2023-02?coupon=CSPOD202302

Jaret Binford on GitHub - https://github.com/Jaretbinford Alex Miller on GitHub - https://github.com/puredanger 15 years of Clojure - https://www.youtube.com/watch?v=exSRG-iL74Q Request podcast - https://github.com/clojurestream/podcast Video Courses: https://clojure.stream https://www.learnpedestal.com/ https://www.learndatomic.com/ https://www.learnreitit.com/ https://www.learnreagent.com/ https://www.learnreframe.com/ https://www.jacekschae.com/

Jeremy on GitHub - https://github.com/jraines Jeremy on Twitter - https://twitter.com/jraines Stylitics -- https://stylitics.com/ Careers at stylitics - https://boards.greenhouse.io/stylitics

E84 Exoscale with Pierre-Yves Ritschard by Jacek Schae

E83 Rewrites with Orestis Markou (part 2) by Jacek Schae

E82 Rewrites with Orestis Markou (part 1) by Jacek Schae

Paul on Twitter — https://twitter.com/paulrabutcher Paul on Github — https://github.com/paulbutcher Paul's website - https://tententhsconsulting.com Seven concurrency models in seven weeks - https://pragprog.com/titles/pb7con/seven-concurrency-models-in-seven-weeks/ Akka - https://akka.io/ Elixir - https://elixir-lang.org/ Erlang - https://www.erlang.org/ VHDL - https://en.wikipedia.org/wiki/VHDL Support the podcast: Subscribe to ClojureStream https://clojure.stream Support on GitHub Sponsors: https://github.com/sponsors/jacekschae Video Courses: https://clojure.stream https://www.learnpedestal.com https://www.learndatomic.com https://www.learnreitit.com https://www.learnreagent.com https://www.learnreframe.com https://www.jacekschae.com

Daniel on Twitter - https://twitter.com/danielwithmusic/ Daniel on GitHub - https://github.com/danielcompton ClojuristsTogether - https://www.clojuriststogether.org/ Video Courses: https://clojure.stream https://www.learnpedestal.com https://www.learndatomic.com https://www.learnreitit.com https://www.learnreagent.com https://www.learnreframe.com https://www.jacekschae.com

You can find p-himik on Clojurians Slack - https://clojurians.slack.com/ Video Courses: https://clojure.stream https://www.learnpedestal.com/ https://www.learndatomic.com/ https://www.learnreitit.com/ https://www.learnreagent.com/ https://www.learnreframe.com/ https://www.jacekschae.com/

Daniel on Twitter - https://twitter.com/daslu_ Daniel on GitHub - https://github.com/daslu SciCloj - https://scicloj.github.io Study Group - https://scicloj.github.io/docs/community/groups/ processing tables: https://github.com/techascent/tech.ml.dataset github.com/scicloj/tablecloth processing arrays: https://github.com/cnuernber/dtype-next (should have mentioned) https://neanderthal.uncomplicate.org/ processing nested, unstructured data: https://github.com/clojure/core.match https://github.com/noprompt/meander https://github.com/redplanetlabs/specter math and stats: https://github.com/generateme/fastmath https://github.com/MastodonC/kixi.stats data viualization libraries: https://vega.github.io/ https://github.com/generateme/cljplot https://github.com/jsa-aerial/hanami classical machine learning: https://haifengl.github.io/ (wrapped in scicloj.ml) deep learning https://github.com/scicloj/clj-djl (wrapped in scicloj.ml) https://github.com/uncomplicate/deep-diamond machine learning workflows: https://github.com/scicloj/metamorph.ml the underlying pipeline notion: https://github.com/scicloj/metamorph wrapping all most of those machine learning libraries and workflow together: https://github.com/scicloj/scicloj.ml processing tables with spark: https://github.com/zero-one-group/geni should have mentioned: https://github.com/clj-python/libpython-clj https://github.com/scicloj/clojisr Video Courses: https://clojure.stream https://www.learnpedestal.com/ https://www.learndatomic.com/ https://www.learnreitit.com/ https://www.learnreagent.com/ https://www.learnreframe.com/ https://www.jacekschae.com/

Kaspars on Twitter - https://twitter.com/kasparsdancis Kaspars on GitHub - https://github.com/k7d Whimsical - https://whimsical.com/ Video Courses: https://clojure.stream https://www.learnpedestal.com/ https://www.learndatomic.com/ https://www.learnreitit.com/ https://www.learnreagent.com/ https://www.learnreframe.com/ https://www.jacekschae.com/

Sean on Twitter - https://twitter.com/seancorfield Sean on GitHub - https://github.com/seancorfield Sean on GitHub Sponsors - https://github.com/sponsors/seancorfield Sean's website - https://corfield.org next.jdbc - https://github.com/seancorfield/next-jdbc honeysql - https://github.com/seancorfield/honeysql Video Courses: https://clojure.stream https://www.learnpedestal.com/ https://www.learndatomic.com/ https://www.learnreitit.com/ https://www.learnreagent.com/ https://www.learnreframe.com/ https://www.jacekschae.com/

Chris on GitHub - https://github.com/chr15m Chris on Twitter - https://twitter.com/mccrmx Chris on YouTube - https://www.youtube.com/user/mccormix Chris' website - https://mccormick.cx Sitefox website - https://github.com/chr15m/sitefox Sitefox documentation - https://chr15m.github.io/sitefox/ Chris's projects https://rogule.com https://dopeloop.ai/melody-generator https://sfxr.me (pro version on sitefox) Video Courses: https://clojure.stream https://learnpedestal.com https://learndatomic.com https://learnreitit.com https://learnreframe.com https://learnreagent.com https://www.jacekschae.com

David on Twitter - https://twitter.com/LittleFunnyGeek David’s Website - http://davidpham87.github.io Linear Algebra - https://en.wikipedia.org/wiki/Linear_algebra Google Colab - https://colab.research.google.com Paperspace - https://www.paperspace.com Copula - https://en.wikipedia.org/wiki/Copula_(probability_theory) Criterium - https://github.com/hugoduncan/criterium/ Matrix - https://github.com/mikera/core.matrix Video Courses: https://clojure.stream https://learnpedestal.com https://learndatomic.com https://learnreitit.com https://learnreframe.com https://learnreagent.com https://www.jacekschae.com

Second part of the discussion with Chris starting with dataset. Chris on GitHub - https://github.com/cnuernber TechAscent - https://techascent.com dtype next - https://github.com/cnuernber/dtype-next dataset - https://github.com/techascent/tech.ml.dataset Video Courses: https://clojure.stream https://learnpedestal.com https://learndatomic.com https://learnreitit.com https://learnreframe.com https://learnreagent.com https://www.jacekschae.com

Chris on GitHub - https://github.com/cnuernber TechAscent - https://techascent.com dtype next - https://github.com/cnuernber/dtype-next dataset - https://github.com/techascent/tech.ml.dataset Video Courses: https://clojure.stream https://learnpedestal.com https://learndatomic.com https://learnreitit.com https://learnreframe.com https://learnreagent.com https://www.jacekschae.com

Sponsor Michael - https://github.com/sponsors/borkdude Michiel on twitter - https://twitter.com/borkdude Michiel on github - https://github.com/borkdude nbb - https://github.com/babashka/nbb babashka - https://github.com/borkdude/babashka Video Courses: https://clojure.stream https://learnpedestal.com https://learndatomic.com https://learnreitit.com https://learnreframe.com https://learnreagent.com https://www.jacekschae.com

Furkan on Twitter - https://twitter.com/furkan3ayraktar Furkan on GitHub - https://github.com/furkan3ayraktar Scrintal - https://www.scrintal.com Scrintal's story explained in Scrintal - https://beta.scrintal.com/b/final-scrintal-board--jtult Polylith - https://polylith.gitbook.io/polylith/ Polylith is a software architecture that applies functional thinking at the system scale. It helps us build simple, maintainable, testable, and scalable backend systems. Datomic Cloud - https://docs.datomic.com/cloud/ A transactional database with a flexible data model, elastic scaling, and rich queries. Reagent - https://github.com/reagent-project/reagent A ClojureScript wrapper around React. Re-frame - https://github.com/day8/re-frame Frontend framework that provides events for writes and subscriptions for reads. Datascript - https://github.com/tonsky/datascript/ An immutable in-memory database and Datalog query engine in Clojure and ClojureScript. Prosemirror - https://prosemirror.net A toolkit for building rich-text editors on the web KonvaJS - https://konvajs.org HTML5 canvas library for desktop and mobile applications Posh - https://github.com/denistakeda/posh Use Datascript to store application state Re-posh - https://github.com/denistakeda/re-posh Use Posh with re-frame subscriptions and events Firestore - https://firebase.google.com/docs/firestore Scalable NoSQL cloud database to store and sync data for client- and server-side development. stitches - https://stitches.dev CSS-in-JS with near-zero runtime, SSR, multi-variant support, and a best-in-class developer experience. shadow-cljs - https://github.com/thheller/shadow-cljs everything you need to compile your ClojureScript code with a focus on simplicity and ease of use.

Eero Helenius on GitHub - https://github.com/eerohele Tutkain https://github.com/eerohele/Tutkain Google groups thread - https://groups.google.com/g/clojure-dev/c/Dl3Stw5iRVA/m/H5xxG3qINuoJ Support the podcast: Learn Idiomatic Clojure https://clojure.stream Support on GitHub Sponsors: https://github.com/sponsors/jacekschae

Tony on twitter - https://twitter.com/TonyMaley Vouch on Twitter https://twitter.com/Vouchio Vouch on GitHub https://github.com/vouch-opensource Vouch’s Website https://vouch.io Support the podcast: Learn Idiomatic Clojure https://clojure.stream Support on GitHub Sponsors: https://github.com/sponsors/jacekschae

Nikita on GitHub - https://github.com/tonsky Nikita on Twitter - https://twitter.com/nikitonsky Nikita's Blog - https://tonsky.me/ Clojure Sublimed - https://github.com/tonsky/Clojure-Sublimed Grumpy Website - https://grumpy.website Alabaster, a Minimalist Color Scheme: * for Sublime Text * for VS Code * for IntelliJ Support the podcast: Learn Idiomatic Clojure https://clojure.stream Support on GitHub Sponsors: https://github.com/sponsors/jacekschae

Paula on Twitter https://twitter.com/quoll Paula on GitHub https://github.com/quoll Semantic Web https://en.wikipedia.org/wiki/Semantic_Web SPARQL https://en.wikipedia.org/wiki/SPARQL Asami https://github.com/threatgrid/asami Support the podcast: Learn Idiomatic Clojure https://clojure.stream GitHub Sponsors: https://github.com/sponsors/jacekschae

Eric on Twitter - https://twitter.com/ericdallo Eric on GitHub - https://github.com/ericdallo Eric on Patreon - https://www.patreon.com/ericdallo Eric’s Website - https://ericdallo.dev LSP’s Website - https://microsoft.github.io/language-server-protocol/ Clojure LSP on GitHub - https://github.com/clojure-lsp/clojure-lsp Clojure LSP on Open Collective - https://opencollective.com/clojure-lsp Video Courses: https://clojure.stream/ https://www.learndatomic.com/ https://www.learnreitit.com/ https://www.learnreframe.com/ https://www.learnreagent.com/ https://www.jacekschae.com/

Sponsor Michael - https://github.com/sponsors/borkdude Michiel on twitter - https://twitter.com/borkdude Michiel on github - https://github.com/borkdude clj-kondo - https://github.com/clj-kondo/clj-kondo babashka - https://github.com/borkdude/babashka Video Courses: https://clojure.stream/ https://www.learndatomic.com/ https://www.learnreitit.com/ https://www.learnreframe.com/ https://www.learnreagent.com/ https://www.jacekschae.com/

Alex on GitHub - https://github.com/alexander-yakushev Alex on Twitter - https://twitter.com/unlog1c Alex's Blog - http://bytopia.org/ Omniconf - https://github.com/grammarly/omniconf Areo - https://github.com/juxt/aero Environ - https://github.com/weavejester/environ

lvh on Twitter https://twitter.com/lvh lvh's website - https://www.lvh.io/ lvh on GitHub - https://github.com/lvh ClojuristsTogether - https://www.clojuriststogether.org/ Latacora https://www.latacora.com/ Latacora on Twitter - https://twitter.com/latacora Lagomorphic Capital - https://www.lagomorphic.capital Burp Suite - https://portswigger.net/burp Soc2 - https://www.aicpa.org/interestareas/frc/assuranceadvisoryservices/aicpasoc2report.html AWS Vault - https://github.com/99designs/aws-vault ScoutSuite - https://github.com/nccgroup/ScoutSuite Stytch https://stytch.com Stream alert https://github.com/airbnb/streamalert Latacora Singles - https://latacora.singles/ Video Courses: www.LearnDatomic.com www.LearnReitit.com www.LearnReFrame.com www.LearnReagent.com

lvh on Twitter https://twitter.com/lvh lvh's website - https://www.lvh.io/ lvh on GitHub - https://github.com/lvh ClojuristsTogether - https://www.clojuriststogether.org/ Latacora https://www.latacora.com/ Latacora on Twitter - https://twitter.com/latacora Lagomorphic Capital - https://www.lagomorphic.capital Burp Suite - https://portswigger.net/burp Soc2 - https://www.aicpa.org/interestareas/frc/assuranceadvisoryservices/aicpasoc2report.html AWS Vault - https://github.com/99designs/aws-vault ScoutSuite - https://github.com/nccgroup/ScoutSuite Stytch https://stytch.com Stream alert https://github.com/airbnb/streamalert Latacora Singles - https://latacora.singles/ Video Courses: www.LearnDatomic.com www.LearnReitit.com www.LearnReFrame.com www.LearnReagent.com

lvh on Twitter https://twitter.com/lvh lvh's website - https://www.lvh.io/ lvh on GitHub - https://github.com/lvh ClojuristsTogether - https://www.clojuriststogether.org/ Latacora https://www.latacora.com/ Latacora on Twitter - https://twitter.com/latacora Lagomorphic Capital - https://www.lagomorphic.capital Burp Suite - https://portswigger.net/burp Soc2 - https://www.aicpa.org/interestareas/frc/assuranceadvisoryservices/aicpasoc2report.html AWS Vault - https://github.com/99designs/aws-vault ScoutSuite - https://github.com/nccgroup/ScoutSuite Stytch https://stytch.com Stream alert https://github.com/airbnb/streamalert Latacora Singles - https://latacora.singles/ Video Courses: www.LearnDatomic.com www.LearnReitit.com www.LearnReFrame.com www.LearnReagent.com

lvh on Twitter https://twitter.com/lvh lvh's website - https://www.lvh.io/ lvh on GitHub - https://github.com/lvh ClojuristsTogether - https://www.clojuriststogether.org/ Latacora https://www.latacora.com/ Latacora on Twitter - https://twitter.com/latacora Lagomorphic Capital - https://www.lagomorphic.capital Burp Suite - https://portswigger.net/burp Soc2 - https://www.aicpa.org/interestareas/frc/assuranceadvisoryservices/aicpasoc2report.html AWS Vault - https://github.com/99designs/aws-vault ScoutSuite - https://github.com/nccgroup/ScoutSuite Stytch https://stytch.com Stream alert https://github.com/airbnb/streamalert Latacora Singles - https://latacora.singles/ Video Courses: www.LearnDatomic.com www.LearnReitit.com www.LearnReFrame.com www.LearnReagent.com

Anatoly on Twitter - https://twitter.com/tolitius Anatoly on GitHub - https://github.com/tolitius Anatoly's website - https://www.dotkam.com Mount on GitHub - https://github.com/tolitius/mount Video Courses: www.LearnDatomic.com www.LearnReitit.com www.LearnReFrame.com www.LearnReagent.com

Stuart on GitHub - https://github.com/stuartsierra Stuart on Twitter - https://twitter.com/stuartsierra Stuart's Blog - https://stuartsierra.com/ No Manifestos Podcast - https://www.nomanifestos.com/ Video Courses: www.learndatomic.com/ www.learnreagent.com/ www.learnreframe.com/ www.jacekschae.com/

Howard on GitHub - https://github.com/hlship Howard on Twitter - https://twitter.com/hlship/ Howard's website - http://lewisship.net/ Lacinia - https://github.com/walmartlabs/lacinia Lacinia Docs - https://lacinia.readthedocs.io/en/latest/ GraphQL - https://graphql.org/ Swagger - https://swagger.io/ Liberator - https://github.com/clojure-liberator/liberator GraphQL Federation - https://www.apollographql.com/docs/federation/ GraphQL Apollo https://www.apollographql.com/ GraphQL Federation at Netflix - https://www.infoq.com/presentations/netflix-api-graphql-federation/ Video Courses: https://www.LearnReitit.com https://www.LearnReFrame.com https://www.LearnReagent.com

Tommi on GitHub - https://github.com/ikitommi Tommi on Twitter - https://twitter.com/ikitommi Metosin's website - https://www.metosin.fi/en/ Metosin on GitHub - https://github.com/metosin Malli - https://github.com/metosin/malli Prismatic Schema - https://github.com/plumatic/schema Clojure Spec - https://github.com/clojure/spec-alpha2 Video Courses: https://www.LearnReitit.com https://www.LearnReFrame.com https://www.LearnReagent.com