HeyJaredDevOps Simplified
Documenting my DevOps adventures one post at a time. Support my work here: https://buymeacoffee.com/satyamounika11
- Indexed issues, last 90 days
- 13
- Latest publication
- Sep 28, 2026
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- Earliest in this view
- Jul 6, 2026
Latest issues
Is Your Kubernetes Application Really Healthy? ❤️ (opens the original)
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Your Kubernetes Pod is Running.Does that automatically mean your application is working correctly?Not necessarily.A Pod can be running while the application inside it is:Frozen 🥶Stuck during startupUnable to process requestsConnected to a broken dependencyReturning errorsAlive, but not ready to receive trafficThis creates an important question:How does Kubernetes know whether your application is actually healthy?
What Happens When a Kubernetes Pod Uses Too Much CPU? ⚡ (opens the original)
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Imagine you have a Kubernetes cluster running several applications.One application suddenly starts using a lot of CPU and memory.What happens to the other applications?Could one Pod consume all the resources and slow everything down?This is exactly why Kubernetes provides Resource Requests and Limits. ⚙️<a class="image-link image2 is-viewable-img" href="https://substackcdn.com/image/fetch/$s_!P4Tx!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpubli
Your Kubernetes Cluster Is Getting Crowded. What Now? 📦 (opens the original)
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As your Kubernetes cluster grows, you may have:multiple applicationsmultiple environmentsmultiple teamshundreds of Kubernetes resourcesIf everything lives together in one place, managing the cluster can quickly become confusing.So how do we organize everything?This is where Kubernetes Namespaces come in. 🌱<a class="image-link image2 is-viewable-img" href="https://substackcdn.com/image/fetch/$s_!3btA!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media
What Happens to Your Data When a Kubernetes Pod Dies? 💾 (opens the original)
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In the previous articles, you learned how Kubernetes helps applications manage their configuration and sensitive information using:ConfigMaps 🛠️Secrets 🔐But there is another important question:What happens to my application data when a Pod is deleted? 🤔Imagine a database Pod storing customer information.The Pod crashes.Kubernetes creates a new Pod.What happens to the data?This is where persistent storage becomes important.<div class="captioned-image-container
Why Kubernetes Should Never Store Your Passwords in ConfigMaps 🔐 (opens the original)
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In the previous article, you learned how ConfigMaps help store application configuration in Kubernetes.But ConfigMaps should only store:✅ non-sensitive datasuch as:application modesURLsportsfeature flagsWhat about sensitive information like:database passwordsAPI keysauthentication tokenssecret credentialsStoring them inside ConfigMaps is NOT safe ❌Kubernetes solves this problem using: Secrets 🔐<di
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