Christian Haintz
@ceelian.net
#techismypassion #fullstack #webdev #devops #realtimestuff #angular #django #training #consulting #speaker #lecturer co-founder of
www.feedbackr.io and www.cnc.io
www.feedbackr.io and www.cnc.io
November 9, 2025 at 9:01 AM
Interesting article and approach by Cloudflare to tackle the problems we all currently have with TLS certificates in the WebPKI for Post-Quantum Security. #websecurity #pqsecurity
blog.cloudflare.com/bootstrap…
blog.cloudflare.com/bootstrap…
October 30, 2025 at 7:51 AM
Interesting article and approach by Cloudflare to tackle the problems we all currently have with TLS certificates in the WebPKI for Post-Quantum Security. #websecurity #pqsecurity
blog.cloudflare.com/bootstrap…
blog.cloudflare.com/bootstrap…
Bye bye #Minio github.com/minio/min…
October 25, 2025 at 9:15 AM
Bye bye #Minio github.com/minio/min…
What non-coding stuff people do with Claude Code: www.reddit.com/r/ClaudeA…
August 6, 2025 at 6:08 AM
What non-coding stuff people do with Claude Code: www.reddit.com/r/ClaudeA…
Another step toward better software supply chain security - trust-based auth ftw: github.blog/changelog…
August 1, 2025 at 4:45 AM
Another step toward better software supply chain security - trust-based auth ftw: github.blog/changelog…
A rare but important perspective on how to build websites vs web apps: www.jonoalderson.com/conjectur…
July 26, 2025 at 3:54 AM
A rare but important perspective on how to build websites vs web apps: www.jonoalderson.com/conjectur…
Sometimes it feels like you have to decide if you want to use AWS or you want to learn it, but you can’t do both in one lifetime. 🤯 #AWS #Cloud #neverstoplearning
July 24, 2025 at 8:19 PM
Sometimes it feels like you have to decide if you want to use AWS or you want to learn it, but you can’t do both in one lifetime. 🤯 #AWS #Cloud #neverstoplearning
We have some cool 🧊 free desks in our coworking space in Graz, Austria
🧊 Stay cool while you work! Our coworking space has A/C, height-adjustable desks, and fiber internet. Free desks available in downtown Graz for €232/month 😎
Learn more: www.cnc.io/coworking
#CoworkingGraz #DowntownGraz #StayCool
Learn more: www.cnc.io/coworking
#CoworkingGraz #DowntownGraz #StayCool
June 24, 2025 at 5:37 AM
We have some cool 🧊 free desks in our coworking space in Graz, Austria
Reposted by Christian Haintz
Wrote up what I'd love for #kubernetes 2.0: https://matduggan.com/what-would-a-kubernetes-2-0-look-like/ #devops #programming
What Would a Kubernetes 2.0 Look Like
As we approach the 10 year anniversary of the 1.0 release of Kubernetes, let's take stock of the successes and failures of the project in the wild. Also what would be on a wish list for a Kubernetes 2.0 release.
matduggan.com
June 19, 2025 at 12:36 PM
Wrote up what I'd love for #kubernetes 2.0: https://matduggan.com/what-would-a-kubernetes-2-0-look-like/ #devops #programming
Well, Bitbucket changed their plans
June 10, 2025 at 11:46 AM
Well, Bitbucket changed their plans
Reposted by Christian Haintz
Off to KubeCon Europe we go!
It’s been over 10 years of Kubernetes powering web applications at scale. We’re looking forward to an exciting event—can you guess where it’s happening this year?
#KubeCon #KubeConEU #Kubernetes #CloudNative #DevOps #OpenSource #TechConference #WebApps #LondonCalling
It’s been over 10 years of Kubernetes powering web applications at scale. We’re looking forward to an exciting event—can you guess where it’s happening this year?
#KubeCon #KubeConEU #Kubernetes #CloudNative #DevOps #OpenSource #TechConference #WebApps #LondonCalling
March 29, 2025 at 7:05 AM
Off to KubeCon Europe we go!
It’s been over 10 years of Kubernetes powering web applications at scale. We’re looking forward to an exciting event—can you guess where it’s happening this year?
#KubeCon #KubeConEU #Kubernetes #CloudNative #DevOps #OpenSource #TechConference #WebApps #LondonCalling
It’s been over 10 years of Kubernetes powering web applications at scale. We’re looking forward to an exciting event—can you guess where it’s happening this year?
#KubeCon #KubeConEU #Kubernetes #CloudNative #DevOps #OpenSource #TechConference #WebApps #LondonCalling
Giving vscode another chance… let’s see how it goes. #ide #developerexperience
March 15, 2025 at 10:18 AM
Giving vscode another chance… let’s see how it goes. #ide #developerexperience
This book was really exciting to read 📚
📚 Our must-read book for 2024: “The Phoenix Project”—perfect for software dev leaders and IT ops managers! It masterfully uses storytelling to showcase DevOps best practices and real-world solutions. This isn’t dry theory—it’s practical wisdom wrapped in an engaging narrative!
December 19, 2024 at 9:07 AM
This book was really exciting to read 📚
December 13, 2024 at 8:18 AM
Wanna chat about why we are mostly using Kubernetes for serving our web apps and SaaS? Have a mulled wine with us 🎄❄️☃️
🎄 Join us at the CNCF Graz Xmas Meetup! Informal gathering at Mariahilfer Platz Christmas Market on Dec 19, 6 PM. No presentations, just networking & mulled wine 🍷
RSVP: community.cncf.io/events/de…
#CNCF #CloudNative #Graz
RSVP: community.cncf.io/events/de…
#CNCF #CloudNative #Graz
December 12, 2024 at 5:53 AM
Wanna chat about why we are mostly using Kubernetes for serving our web apps and SaaS? Have a mulled wine with us 🎄❄️☃️
📚 A must-read for anyone managing software development teams.
📚 Sneak peek before our 2024 Book of the Year reveal! Last year’s pick “Team Topologies” by Skelton & Pais is still a game-changer for IT teams.
💡 Must-read for better team flow & org structure!
#TeamTopologies #ITLeadership #SoftwareDev
💡 Must-read for better team flow & org structure!
#TeamTopologies #ITLeadership #SoftwareDev
November 28, 2024 at 6:10 AM
📚 A must-read for anyone managing software development teams.
I really enjoyed giving a talk at the local CNCF Graz Meetup about modern ways to multi-dimensional Kubernetes cluster autoscaling
🎉 Exciting CNCF Graz Meetup yesterday! Our tech lead Christian shared how to set up an AWS EKS Cluster with Karpenter and Pulumi in one command! 🚀
Highlights:
🆕 New CNCF projects: OpenCost, WasmCloud, Flatcar Linux
🔐 Keycloak v26 with e... https://microblog.cnc.io/2024/11/21/exciting-cncf-graz.html
Highlights:
🆕 New CNCF projects: OpenCost, WasmCloud, Flatcar Linux
🔐 Keycloak v26 with e... https://microblog.cnc.io/2024/11/21/exciting-cncf-graz.html
November 22, 2024 at 5:14 AM
I really enjoyed giving a talk at the local CNCF Graz Meetup about modern ways to multi-dimensional Kubernetes cluster autoscaling
I was just wondering - what’s the average number of times you’ve been hit by bird droppings in a lifetime? Since yesterday, I’m already at two and am curious if I should consider myself “very lucky”.
November 21, 2024 at 6:39 AM
I was just wondering - what’s the average number of times you’ve been hit by bird droppings in a lifetime? Since yesterday, I’m already at two and am curious if I should consider myself “very lucky”.
I recently started using passkeys, and I can see the challenges that might prevent broad adoption in the near future. www.theregister.com/2024/11/1…
November 17, 2024 at 7:46 PM
I recently started using passkeys, and I can see the challenges that might prevent broad adoption in the near future. www.theregister.com/2024/11/1…
The age-old question: Which IDE should you use? Well, the one you work best with!
I’m a longtime and happy PyCharm user, but sometimes I look jealously at Visual Studio Code for its devcontainer and Jupyter Notebook support. Then I realize ... https://ceelian.net/2024/11/16/the-ageold-question.html
I’m a longtime and happy PyCharm user, but sometimes I look jealously at Visual Studio Code for its devcontainer and Jupyter Notebook support. Then I realize ... https://ceelian.net/2024/11/16/the-ageold-question.html
November 16, 2024 at 5:45 AM
The age-old question: Which IDE should you use? Well, the one you work best with!
I’m a longtime and happy PyCharm user, but sometimes I look jealously at Visual Studio Code for its devcontainer and Jupyter Notebook support. Then I realize ... https://ceelian.net/2024/11/16/the-ageold-question.html
I’m a longtime and happy PyCharm user, but sometimes I look jealously at Visual Studio Code for its devcontainer and Jupyter Notebook support. Then I realize ... https://ceelian.net/2024/11/16/the-ageold-question.html
November 15, 2024 at 8:43 PM
Let's take a look at how you can fully autoscale your kubernetes cluster to make your web application operations ⚙️ even more resilient and cost-efficient.
🚀 Our tech lead speaking at CNCF Meetup Graz!
🗓️ Nov 20, 2024 | ⏰ 5 PM | 📍 Spacelend
Topic: “1-cmd autoscaling K8s Cluster w/ AWS EKS, Karpenter & Pulumi”
RSVP: community.cncf.io/events/de…
#CNCF #K8s #AWS
🗓️ Nov 20, 2024 | ⏰ 5 PM | 📍 Spacelend
Topic: “1-cmd autoscaling K8s Cluster w/ AWS EKS, Karpenter & Pulumi”
RSVP: community.cncf.io/events/de…
#CNCF #K8s #AWS
November 14, 2024 at 6:42 AM
Let's take a look at how you can fully autoscale your kubernetes cluster to make your web application operations ⚙️ even more resilient and cost-efficient.
If you aren’t yet using Docker or a similar tool for web applications, here are some reasons why you should.
🚀 Containerization benefits for web apps:
🔮 Predictable environments
📝 Simple description
🔢 Version control
🔄 Easy updates
💻 Dev-prod parity
📈 Scalability
#WebDev #Containerization #DevOps
Your preference: Traditional or containerized?
🔮 Predictable environments
📝 Simple description
🔢 Version control
🔄 Easy updates
💻 Dev-prod parity
📈 Scalability
#WebDev #Containerization #DevOps
Your preference: Traditional or containerized?
November 8, 2024 at 7:08 AM
If you aren’t yet using Docker or a similar tool for web applications, here are some reasons why you should.
You only get one chance at your first deployment – make it count! #webdevelopment
🚀 Deploying Your First Web App? Don’t Miss These Crucial Steps!
1️⃣ Disable Caching of index.html
2️⃣ Implement a Reload Mechanism for Long-Running Apps
These small but vital steps can only be implemented on first deployment without ... https://microblog.cnc.io/2024/10/30/deploying-your-first.html
1️⃣ Disable Caching of index.html
2️⃣ Implement a Reload Mechanism for Long-Running Apps
These small but vital steps can only be implemented on first deployment without ... https://microblog.cnc.io/2024/10/30/deploying-your-first.html
October 31, 2024 at 7:39 AM
You only get one chance at your first deployment – make it count! #webdevelopment