Joris Conijn
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jorisconijn.bsky.social
Joris Conijn
@jorisconijn.bsky.social
CTO for AWS @ Xebia Cloud. AWS Authorized Instructor. AWS Community Builder.
CodePipeline broke right before our release. The fix? Strip oversized CDK artifacts before deploy. Here's how 👉 xebia.com/blog/fixing-...
May 29, 2025 at 4:04 PM
AWS CDK makes infra easy — but can weaken least privilege! Learn how to stay secure 👇
xebia.com/blog/aws-cdk... #AWS #CDK #Security
AWS CDK and the Hidden Risks to Least Privilege - Xebia
Learn how AWS CDK can unintentionally weaken least privilege by modifying KMS key policies, and how to regain control using level 1 constructs.
xebia.com
April 28, 2025 at 8:54 AM
🚀 Optimize OpenSearch ingestion with SQS, Step Functions & smart cost control. Avoid data loss & boost reliability! 🔗 xebia.com/blog/optimiz... #OpenSearch #AWS #DataIngestion
Optimizing OpenSearch Ingestion: Ensuring Reliability, Efficiency, and Cost Savings - Xebia
Optimizing OpenSearch ingestion for GenAI: Learn how to efficiently transform, queue, and index data while reducing costs and ensuring reliability with AWS Step Functions, SQS, and OpenSearch Ingestio...
xebia.com
March 11, 2025 at 12:29 PM
Want to secure S3 downloads without making objects public? 🔐 Learn how to use AWS Cognito, ALB, and Lambda to authenticate users and control access seamlessly. Full guide with code & setup details! 🚀👇 #AWS #Cognito #S3Security

🔗 xebia.com/blog/securin...
Securing S3 Downloads with ALB and Cognito Authentication - Xebia
Learn how to securely control access to your S3 files using AWS Cognito, an Application Load Balancer, and Lambda. Authenticate users, authorize access, and enable secure file downloads—all without ma...
xebia.com
March 1, 2025 at 12:09 PM
Boost your docs to the next level! Become a Documentation Ninja with game-changing tips on dynamic links, Markdown macros, and more. Read here: xebia.com/blog/become-... #Documentation #TechTips
Become a documentation ninja - Xebia
Enhance your Confluence documentation with Markdown and powerful macros! Learn how to create dynamic links, embed Jira issues, use collapsible content, and automate page properties for better organiza...
xebia.com
February 19, 2025 at 8:53 PM
Just enabled my site with social previews. I normally share the links to the Xebia website but, when I now share my personal website links I have a nice banner too conijn.io/blog/2025/2/...
ECS Fargate Persistent Storage: EFS Access Points vs. Lambda Workarounds
When running a Docker container on ECS Fargate, persistent storage is often a necessity. I initially attempted to solve this by manually creating the required directory on EFS using a Lambda-backed cu...
conijn.io
February 16, 2025 at 5:59 PM
Struggling with persistent storage in ECS Fargate? I first used a Lambda function to create EFS directories—but then I found a better way using EFS access points! 🚀

Check out my journey & solution here: ⬇️
🔗 medium.com/@jorisconijn...

#AWS #ECS #Fargate #EFS #CloudComputing #DevOps
ECS Fargate Persistent Storage: EFS Access Points vs. Lambda Workarounds
When running a Docker container on ECS Fargate, persistent storage is often a necessity. I initially attempted to solve this by manually…
medium.com
February 5, 2025 at 6:29 AM
💻 Simplify Your Development Workflow!

Feature branches + logical stacks = better collaboration, smoother deployments, and scalable solutions. Learn how to isolate environments, reduce dependencies, and optimize resource management. 🚀
xebia.com/blog/streaml...
#DevOps
January 26, 2025 at 2:12 PM
🚨 Stop organizing scavenger hunts in your cloud!

CloudWatch alarms are the start. Pair them with dashboards to guide straight to the issue, saving time & frustration.

Automate known fixes, and when humans need to step in, give them context—not chaos

medium.com/@jorisconijn...

#AWS #Observability
Stop organizing scavenger hunts in your cloud infrastructure
A CloudWatch alarm is triggered. Now what? I am not the first person to tell you that observability is essential to your cloud…
medium.com
January 19, 2025 at 10:06 AM
Merry Christmas everyone 🎄 time to wind off from work and spend time with the family.
December 25, 2024 at 12:38 PM
🚀 Struggling to test IAM-secured APIs in AWS? Stop wasting time writing custom scripts for every API call! Learn how awscurl can automate SigV4 signature generation, making your life easier and letting you focus on building amazing things. xebia.com/blog/boost-y...
December 21, 2024 at 1:56 PM
I added the relative import to my blog makes sense to actually add a working example medium.com/@jorisconijn...
Relative Python imports  in a Dockerized lambda function
Relative Python imports can be tricky for lambda functions. I wrote a blog on this 3 years ago. But recently, I ran into the same issue…
medium.com
December 18, 2024 at 12:33 PM
Using relative imports in #python will improve the maintainability of your #aws #lambda functions. Here is a tutorial on how to do this when you use a dockerized lambda function medium.com/@jorisconijn...
Relative Python imports  in a Dockerized lambda function
Relative Python imports can be tricky for lambda functions. I wrote a blog on this 3 years ago. But recently, I ran into the same issue…
medium.com
December 14, 2024 at 7:24 PM
Thinking of certification? It unlocks more benefits on AWS re:Invent! Feel free to reach out if you have any questions.
December 4, 2024 at 7:27 PM
Nice example how #serverless technology can help you evolve your business. catalog.workshops.aws/serverlesspr...
December 3, 2024 at 10:53 PM
It’s that time of year again #AWS #reInvent 2024! It’s a good place to learn new people, learn your colleagues even better and learn all about the latest and greatest technologies released by AWS. Are you at re:Invent? Do you want to meet? Feel free to shoot me a message or look me up on peer talk.
December 2, 2024 at 8:14 PM
🚀 Will you be attending re:Invent this year? 🎲 Are you from the Benelux region? Then make sure to join the #Benelux Drinks on Tuesday, December 3rd at the Brooklyn Bowl! This is the place to be for everyone traveling from Belgium, the Netherlands, or Luxembourg to re:Invent. www.beneluxdrinks.com
Benelux Drinks 2024 - AWS re:Invent 2024
Benelux drinks - AWS re:Invent 2024
www.beneluxdrinks.com
November 26, 2024 at 9:10 PM
It’s that time of year again! In less than two weeks, the Cloud Walhalla will kick off in Las Vegas. This year, I will visit this conference for the eighth time, but it will be my first time as the AWS CTO of Xebia Cloud!

📅 --> events.xebia.com/digital-tran...

#aws #awsreinvent #reinvent #xebia
November 19, 2024 at 8:24 PM