IIS writes log entries to text files, recording HTTP requests and responses. You can configure exactly what fields are written, but the default installation records useful things, such as the route of the HTTP request, the response status code, and the time taken for IIS to respond. It would be good to surface these logs entries to Docker, but IIS manages its own log files, buffering entries before writing them to the disk and rotating log files to manage the disk space.
Log management is a fundamental part of application platforms, which is why IIS takes care of it for web apps, but Docker has its own logging system. Docker logging is far more powerful and pluggable than the text filesystem that ...