The article provides a comprehensive guide on using mitmproxy, a command-line tool for intercepting and inspecting HTTP and HTTPS traffic, which serves as a valuable debugging aid. It explains how to install and configure mitmproxy on different operating systems, including macOS, Windows, and Linux, and details the process of setting up a proxy and adding mitmproxy as a Certificate Authority to handle HTTPS requests securely. The guide further explores capturing network traffic from Docker containers, illustrating how to proxy traffic on Linux Container Hosts and configure certificates within containers to facilitate HTTPS request interception. Additionally, it touches on extending Docker images to automatically trust mitmproxy's certificates, enabling seamless traffic inspection for debugging and understanding service behavior. The article highlights mitmproxy's capabilities for modifying and replaying requests and hints at its active ecosystem, which includes tools for building mock services and conducting security research.