Introduction
This article documents how to explore the latest sidecar container functionality in Kubernetes 1.28.
Sidecar Container is a well-known and common design pattern in Kubernetes, where multiple containers are deployed inside a Pod. The Sidecar Container assists the main container in various functions, such as:
- Network Proxy: For example, in Service Mesh architectures, it helps forward and handle different types of network traffic.
- Log Collection: It processes logs generated by the main container.
However, for Kubernetes, these two types of containers fundamentally have no difference in terms of lifecycle and management. This similarity causes some issues in the use of sidecar containers: