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Michael Kosir

@michaelkosir.com

396 followers 708 following 18 posts

💼 Developer Advocate @ HashiCorp 👨‍💻 github.com/michaelkosir 🌐 www.michaelkosir.com 🏊‍♂️🚴‍♂️🏃‍♂️

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Michael Kosir @michaelkosir.com · 17/03/2025

#Vault Agent Injector is a powerful tool for #Kubernetes and #OpenShift that removes the need for native secrets and complex RBAC by injecting secrets directly into pods at runtime. The Vault Agent sidecar automates authentication and rendering of secrets to shared volumes! #HashiCorp #DevOps #Cloud

Animated architecture diagram for Kubernetes showing how Vault Agent Injector injects Vault Agent sidecars through an Admission Controller. The sidecars automate the process of authenticating to Vault and rendering secrets to shared memory volumes.

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Michael Kosir @michaelkosir.com · 14/03/2025

Had a great time presenting at the San Antonio #HashiCorp User Group (HUG). It was fun and exciting to get the group meeting again after 5 years! If you're in the area and want to meet with local practitioners, or even want to present on a topic, be sure to join the next event!

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Michael Kosir @michaelkosir.com · 05/03/2025

Experimenting with `uv` recently, a blazing-fast #Python package manager, and it's making #distroless images easier to work with. Hyper-fixated on image size optimizations 🫠 For my use case, size breakdown: 🐍 python (base): 1.07 GB 🐍 python (slim): 192 MB 🐍 distroless (w/ uv): 101 MB

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Michael Kosir @michaelkosir.com · 12/02/2025

Join us on March 6 for a special webinar to help you confidently prepare for the Vault Associate exam. Whether you're just getting started with Vault or have your exam appointment scheduled, this session will set you up for success! Register Now 👉 www.hashicorp.com/en/events/we...