Docker Container Network Traffic Monitoring and Optimization Understanding the network traffic of Docker containers running on my Virtual Private Server (VPS) is crucial for troubleshooting performance issues and improving overall system health. In this guide, I'll explain step-by-step how I manage this process and what tools I use. We'll specifically focus on reducing network latency and optimizing bandwidth usage. In this article, I'll primarily cover how I analyze network traffic using tools like tcpdump and iptables , and how Docker's own network drivers are configured. I'll proceed with scenarios where I run several web services and database containers on my own VPS. Basic Network Traffic Analysis: Starting with tcpdump The first step to understanding container network traffic is to capture and analyze it. On my VPS, I achieve this using the tcpdump command-line tool. This tool is a powerful option for capturing and inspecting packets passing through network interfaces.…