How to Debug a Stopped Docker Container

Docker containers are easy to build and run. But they could also suddenly stop for many reasons. The tricky part often is figuring out why.
This guide covers practical ways to debug a stopped Docker container, from checking logs and exit codes to preserving its state before you restart anything.
Check container status and logs
When a container stops, your first stop should always be the Docker logs. Docker keeps a record of everything that was written to stdout and stderr while the container was