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Understanding Sidecar Containers

Regular Kubernetes users are likely familiar with the sidecar pattern. The sidecar pattern has enjoyed popularity in the Kubernetes world for its ability to extend the functionality of a primary container with little modification to the main workload. But have you ever taken the time to really understand what is going on inside of a sidecar container at the operating system level? In this video, we take a closer look at the underlying concepts that enable sidecar containers to function. We'll look at a realistic example (the Vault Agent sidecar) to gain a better understanding of how Kubernetes enables the sidecar pattern. Configuration examples: https://github.com/acritelli/beyond-t... VIDEO CHAPTERS 00:00 - Intro 00:14 - Video Overview 00:23 - Background 01:06 - Environment Setup 02:03 - Workload Definition 03:26 - Workload Inspection - Within the Container 04:31 - Workload Inspection - On the Host 05:09 - Workload Inspection - Mount Namespace 06:18 - Workload Inspection - Network Namespace 07:45 - Conclusion and Outro