Arnaud Héritier
@aheritier.net
#lescastcodeurs #devoxxfr #AI #platformEngineering #devops #oss #jenkinsci #maven #asf
Our @devoxx.fr CFP is now closed. It was a very good year !! Now program and community reviewers it's our turn !!
January 12, 2026 at 6:07 AM
Our @devoxx.fr CFP is now closed. It was a very good year !! Now program and community reviewers it's our turn !!
Reposted by Arnaud Héritier
Engineering leadership is often deciding where ambiguity is allowed. Early exploration can be messy, but production work needs crisp constraints. Mixing the two creates chaos.
January 10, 2026 at 3:49 PM
Engineering leadership is often deciding where ambiguity is allowed. Early exploration can be messy, but production work needs crisp constraints. Mixing the two creates chaos.
C’est parti et nous sommes 5!!!
tout ça c'est vendredi à 12:30 !
January 9, 2026 at 11:33 AM
C’est parti et nous sommes 5!!!
Last week to submit your proposals for @devoxx.fr 2026. Choose wisely your format. Don’t forget to reply to our committee answers when they have.
January 8, 2026 at 7:06 AM
Last week to submit your proposals for @devoxx.fr 2026. Choose wisely your format. Don’t forget to reply to our committee answers when they have.
Sure, developers will be useless soon and AI is ready to generate production ready code autonomously (It's Claude Code with Opus 4.5) .....
> expect(true).toBe(true);
> expect(true).toBe(true);
January 7, 2026 at 7:43 AM
Sure, developers will be useless soon and AI is ready to generate production ready code autonomously (It's Claude Code with Opus 4.5) .....
> expect(true).toBe(true);
> expect(true).toBe(true);
Reposted by Arnaud Héritier
Hey you 👋
Our CFP is open for just 3 more days, so if you're planning on submitting a proposal, now is the time.
Check out the website for info on all the tracks, then submit here ➡️ devoxxuk26.cfp.dev We're looking forward to seeing what you come up with!
6&7 May | London
See you there 😊
Our CFP is open for just 3 more days, so if you're planning on submitting a proposal, now is the time.
Check out the website for info on all the tracks, then submit here ➡️ devoxxuk26.cfp.dev We're looking forward to seeing what you come up with!
6&7 May | London
See you there 😊
January 6, 2026 at 12:16 PM
Hey you 👋
Our CFP is open for just 3 more days, so if you're planning on submitting a proposal, now is the time.
Check out the website for info on all the tracks, then submit here ➡️ devoxxuk26.cfp.dev We're looking forward to seeing what you come up with!
6&7 May | London
See you there 😊
Our CFP is open for just 3 more days, so if you're planning on submitting a proposal, now is the time.
Check out the website for info on all the tracks, then submit here ➡️ devoxxuk26.cfp.dev We're looking forward to seeing what you come up with!
6&7 May | London
See you there 😊
Let me know if you still have some authentication issue. It looks to have been solved for many but on uk instance we had some issues that I don’t reproduce yet thus we rolled back to the previous version.
Fix deployed. Sorry for the issue. You have to force refresh the app.
Several users are reporting an issue to authenticate on cfp.dev instances (devoxxfr2026 included). We will push a fix very soon.
January 6, 2026 at 12:05 PM
Let me know if you still have some authentication issue. It looks to have been solved for many but on uk instance we had some issues that I don’t reproduce yet thus we rolled back to the previous version.
Reposted by Arnaud Héritier
It's been a long time since I was hooked on every single word spoken on a podcast. I think Kelsey has something valuable to share with the world @kelseyhightower.com
Thank you. Look forward to hearing more about your life and work philosophy!
Thank you. Look forward to hearing more about your life and work philosophy!
It's rare that I get to reflect back on my entire tech career and my philosophy towards work and life, but this interview captures it perfectly. One of the few recordings of myself I've watched end to end. www.youtube.com/watch?v=HdUb...
AI, DevOps, and Kubernetes: Kelsey Hightower on What’s Next
YouTube video by JetBrains
www.youtube.com
January 4, 2026 at 10:00 PM
It's been a long time since I was hooked on every single word spoken on a podcast. I think Kelsey has something valuable to share with the world @kelseyhightower.com
Thank you. Look forward to hearing more about your life and work philosophy!
Thank you. Look forward to hearing more about your life and work philosophy!
+1 bottlenecks are rarely in the ability to write more code but in all other tasks where processes or systems are limiting the bandwidth
While dev teams celebrate the speed of "AI" coding assistants, business stakeholders are increasingly asking why they're not getting to their destination any faster.
Allow me to explain.
codemanship.wordpress.com/2026/01/03/t...
Allow me to explain.
codemanship.wordpress.com/2026/01/03/t...
The AI-Ready Software Developer #20 – It’s The Bottlenecks, Stupid!
For many years now, cycling has been consistently the fastest way to get around central London. Faster than taking the tube. Faster than taking the train. Faster than taking the bus. Faster than ta…
codemanship.wordpress.com
January 3, 2026 at 7:57 AM
+1 bottlenecks are rarely in the ability to write more code but in all other tasks where processes or systems are limiting the bandwidth
Il y a un véritable souci, je regarde #devoxxfr
Salut @devoxx.fr / @aheritier.net,
Je n'arrive plus à accéder à la revue communautaire du CFP "Community Reviewers" sur devoxxfr2026.cfp.dev.
C'est un problème entre la chaise et le clavier ou pas ? 😇
Je n'arrive plus à accéder à la revue communautaire du CFP "Community Reviewers" sur devoxxfr2026.cfp.dev.
C'est un problème entre la chaise et le clavier ou pas ? 😇
December 31, 2025 at 9:49 AM
Il y a un véritable souci, je regarde #devoxxfr
Reposted by Arnaud Héritier
Java Conferences with closing CFP in the next 15 days:
Spring I/O Closes: 09 January 2026
Devoxx France Closes: 11 January 2026
Devoxx UK Closes: 10 January 2026
JNation Closes: 10 January 2026
If you want to add your conference, please submit it at https://javaconferences.org/
Spring I/O Closes: 09 January 2026
Devoxx France Closes: 11 January 2026
Devoxx UK Closes: 10 January 2026
JNation Closes: 10 January 2026
If you want to add your conference, please submit it at https://javaconferences.org/
December 30, 2025 at 9:27 AM
Java Conferences with closing CFP in the next 15 days:
Spring I/O Closes: 09 January 2026
Devoxx France Closes: 11 January 2026
Devoxx UK Closes: 10 January 2026
JNation Closes: 10 January 2026
If you want to add your conference, please submit it at https://javaconferences.org/
Spring I/O Closes: 09 January 2026
Devoxx France Closes: 11 January 2026
Devoxx UK Closes: 10 January 2026
JNation Closes: 10 January 2026
If you want to add your conference, please submit it at https://javaconferences.org/
Oui la standardisation est sa valeur première et sa connaissance est aussi indispensable que les layers du dessous pour les profiles SRE/OPS.
Sur le blog: Le premier intérêt de Kubernetes n'est pas le scaling
"K8S c’est bien que pour les grosses entreprises", "On est pas Netflix/
Google", "Sans milliers de conteneurs ça sert à rien"… Vous avez déjà vu ces commentaires sur K8S ? Ces gens ont tout faux.
mcorbin.fr/posts/2025-1...
"K8S c’est bien que pour les grosses entreprises", "On est pas Netflix/
Google", "Sans milliers de conteneurs ça sert à rien"… Vous avez déjà vu ces commentaires sur K8S ? Ces gens ont tout faux.
mcorbin.fr/posts/2025-1...
Le premier intérêt de Kubernetes n'est pas le scaling
mcorbin Tech Blog
mcorbin.fr
December 29, 2025 at 9:02 AM
Oui la standardisation est sa valeur première et sa connaissance est aussi indispensable que les layers du dessous pour les profiles SRE/OPS.
Reposted by Arnaud Héritier
AI and productivity: Year-in-review with Microsoft, Google, and GitHub researchers
https://newsletter.getdx.com/p/ai-and-productivity-year-in-review?aid=recNfypKAanQrKszT
https://newsletter.getdx.com/p/ai-and-productivity-year-in-review?aid=recNfypKAanQrKszT
AI and productivity: Year-in-review with Microsoft, Google, and GitHub researchers
What 2025’s AI research told us about developer productivity and identity, and why enablement matters more than tool choice.
newsletter.getdx.com
December 27, 2025 at 8:27 AM
AI and productivity: Year-in-review with Microsoft, Google, and GitHub researchers
https://newsletter.getdx.com/p/ai-and-productivity-year-in-review?aid=recNfypKAanQrKszT
https://newsletter.getdx.com/p/ai-and-productivity-year-in-review?aid=recNfypKAanQrKszT
Reposted by Arnaud Héritier
Le langage Ruby est disponible en version 4.0. cette nouvelle version majeure apporte de nombreuses nouveautés et corrections, je vous laisse donc prendre connaissance du changelog ⬇️
github.com/ruby/ruby/re...
github.com/ruby/ruby/re...
Releases · ruby/ruby
The Ruby Programming Language. Contribute to ruby/ruby development by creating an account on GitHub.
github.com
December 26, 2025 at 7:34 AM
Le langage Ruby est disponible en version 4.0. cette nouvelle version majeure apporte de nombreuses nouveautés et corrections, je vous laisse donc prendre connaissance du changelog ⬇️
github.com/ruby/ruby/re...
github.com/ruby/ruby/re...
Reposted by Arnaud Héritier
Honestly im shocked
Well
Not that shocked
Well
Not that shocked
Salesforce regrets firing 4000 experienced staff and replacing them with AI
Salesforces has entered a phase of public reckoning after senior executives publicly admitted that the company overestimated AI’s readiness
maarthandam.com
December 25, 2025 at 3:30 PM
Honestly im shocked
Well
Not that shocked
Well
Not that shocked
Reposted by Arnaud Héritier
Comme c'est plutôt calme à $job, je fais du ménage dans brew & mise, après l'article de @codeka.io (codeka.io/2025/12/19/a...).
Passage au max avec mise pour les outils "devops", utilisation de fnox pour les secrets/vars sensibles (mix keychain & vault).
On démarrera mieux 2026 comme ça !
Passage au max avec mise pour les outils "devops", utilisation de fnox pour les secrets/vars sensibles (mix keychain & vault).
On démarrera mieux 2026 comme ça !
Adieu `direnv`, Bonjour `mise` - Julien Wittouck
codeka.io
December 23, 2025 at 2:08 PM
Comme c'est plutôt calme à $job, je fais du ménage dans brew & mise, après l'article de @codeka.io (codeka.io/2025/12/19/a...).
Passage au max avec mise pour les outils "devops", utilisation de fnox pour les secrets/vars sensibles (mix keychain & vault).
On démarrera mieux 2026 comme ça !
Passage au max avec mise pour les outils "devops", utilisation de fnox pour les secrets/vars sensibles (mix keychain & vault).
On démarrera mieux 2026 comme ça !
Reposted by Arnaud Héritier
As an early Christmas present (if you're celebrating), also to ourselves, we have overhauled our User Guide, Release Notes, and Javadoc.
Check it out on docs.junit.org!
Thanks to the @sovereign.tech agency for making it possible and to the @antora.org project for the excellent tool!
Check it out on docs.junit.org!
Thanks to the @sovereign.tech agency for making it possible and to the @antora.org project for the excellent tool!
Overview :: JUnit User Guide
docs.junit.org
December 21, 2025 at 5:31 PM
As an early Christmas present (if you're celebrating), also to ourselves, we have overhauled our User Guide, Release Notes, and Javadoc.
Check it out on docs.junit.org!
Thanks to the @sovereign.tech agency for making it possible and to the @antora.org project for the excellent tool!
Check it out on docs.junit.org!
Thanks to the @sovereign.tech agency for making it possible and to the @antora.org project for the excellent tool!
+1
Cette semaine, j'ai testé l'outil 'mise-en-place' (MEEZ ahn plahs avec l'accent 🇬🇧), et je suis déjà conquis 🤯
Je vais pouvoir remplacer tous mes scripts custom moches que j'avais du mal à maintenir 😅
Mon avis et ce que j'ai bidouillé est à lire ici : codeka.io/2025/12/19/a...
Je vais pouvoir remplacer tous mes scripts custom moches que j'avais du mal à maintenir 😅
Mon avis et ce que j'ai bidouillé est à lire ici : codeka.io/2025/12/19/a...
Adieu `direnv`, Bonjour `mise` - Julien Wittouck
freelance solution & software architect 🏗 - containers 🐋 & linux 🐧 ❤️ - teacher & trainer 🎓 @ univ-lille.fr - speaker 🎙 - Team @Cloud_Nord
codeka.io
December 20, 2025 at 8:07 AM
+1
Reposted by Arnaud Héritier
Reposted by Arnaud Héritier
Je vous parlais récemment des bots IA qui scrappent comme des 🐷
Je vous ai fait une configuration complète pour HAProxy pour faire du throttling et calmer leurs ardeurs avec une 429 (notamment Anthropic), à adapter pour vos besoins.
gist.github.com/ponceto/ef81...
Je vous ai fait une configuration complète pour HAProxy pour faire du throttling et calmer leurs ardeurs avec une 429 (notamment Anthropic), à adapter pour vos besoins.
gist.github.com/ponceto/ef81...
HAProxy full configuration with throttling for IA bots
HAProxy full configuration with throttling for IA bots - haproxy.cfg
gist.github.com
December 19, 2025 at 4:38 PM
Je vous parlais récemment des bots IA qui scrappent comme des 🐷
Je vous ai fait une configuration complète pour HAProxy pour faire du throttling et calmer leurs ardeurs avec une 429 (notamment Anthropic), à adapter pour vos besoins.
gist.github.com/ponceto/ef81...
Je vous ai fait une configuration complète pour HAProxy pour faire du throttling et calmer leurs ardeurs avec une 429 (notamment Anthropic), à adapter pour vos besoins.
gist.github.com/ponceto/ef81...
Reposted by Arnaud Héritier
Nice move from @docker.com — Hardened images for everyone (free)! 🛡️🚀🐳
Great step towards more secure containers.
Docker Hardened Images are minimal, secure container images designed to reduce CVEs by default.
www.docker.com/blog/docker-...
Great step towards more secure containers.
Docker Hardened Images are minimal, secure container images designed to reduce CVEs by default.
www.docker.com/blog/docker-...
Hardened Images for Everyone | Docker
Security for everyone. Docker Hardened Images are now free to use, share, and build on with no licensing surprises.
www.docker.com
December 18, 2025 at 8:31 AM
Nice move from @docker.com — Hardened images for everyone (free)! 🛡️🚀🐳
Great step towards more secure containers.
Docker Hardened Images are minimal, secure container images designed to reduce CVEs by default.
www.docker.com/blog/docker-...
Great step towards more secure containers.
Docker Hardened Images are minimal, secure container images designed to reduce CVEs by default.
www.docker.com/blog/docker-...
Reposted by Arnaud Héritier
Reposted by Arnaud Héritier
@maven.apache.org 3.9.12 was released this night. Download it at maven.apache.org/download.cgi
@sdkman.io users: To my information @andresalmiray.com will update soon, but due personal situation it might take a day or two.
@sdkman.io users: To my information @andresalmiray.com will update soon, but due personal situation it might take a day or two.
Download Apache Maven – Maven
maven.apache.org
December 17, 2025 at 5:09 AM
@maven.apache.org 3.9.12 was released this night. Download it at maven.apache.org/download.cgi
@sdkman.io users: To my information @andresalmiray.com will update soon, but due personal situation it might take a day or two.
@sdkman.io users: To my information @andresalmiray.com will update soon, but due personal situation it might take a day or two.
Reposted by Arnaud Héritier
JetBrains fernflower: Decompiler from Java bytecode to Java, used in IntelliJ IDEA.
buff.ly/CLm8wwc
#java
buff.ly/CLm8wwc
#java
GitHub - JetBrains/fernflower: Decompiler from Java bytecode to Java, used in IntelliJ IDEA.
Decompiler from Java bytecode to Java, used in IntelliJ IDEA. - JetBrains/fernflower
buff.ly
December 16, 2025 at 11:01 AM
JetBrains fernflower: Decompiler from Java bytecode to Java, used in IntelliJ IDEA.
buff.ly/CLm8wwc
#java
buff.ly/CLm8wwc
#java