Feb 4
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🌐 Your Pods are healthy, but can the world see them? ☸️ "It works on my machine—well, it works inside the cluster!" This is a classic SRE nightmare. Your pods are running, ClusterIP is responding, but the external URL is returning a "Connection Refused." 😱 In this reel, we break down why internal connectivity ≠ external accessibility and the two major gatekeepers you need to check first. 💡 Key Takeaways: The Isolation: By default, ClusterIP and internal DNS keep your services isolated within the cluster for security. The Entry Point: You MUST have an Ingress Resource or an External Load Balancer configured to bridge the gap between the internet and your cluster. The DNS Trap: Even with a perfect Ingress, if your DNS A Record doesn't point to the correct Load Balancer IP, traffic will never reach your door. The Fix: Verify the full path: External DNS ➡️ Load Balancer ➡️ Ingress ➡️ Service ➡️ Pod. Do you think she identified the root cause correctly? 💬 Let us know your favorite troubleshooting command in the comments! Level up your Kubernetes skills: ✅ Save this for your next on-call shift. ✅ Follow for more bite-sized DevOps interview prep. ✅ Share with a dev who is struggling with their first K8s deployment! #Kubernetes #DevOps #SRE #CloudNative #K8s #Networking #SysAdmin #SoftwareEngineering #TechInterviews #CloudComputing #PlatformEngineering #BackendDevelopment