Docker Interview Questions — All Categories
30 questions tagged with Docker as a technology, across every category it appears in
How would Kaniko or rootless BuildKit avoid the Docker socket mounting problem entirely, and what do you give up by switching to them?
AdvancedJenkinsDocker7 min
If a Jenkins agent ran on Kubernetes instead of a static VM, how would troubleshooting the same Docker permission problem differ?
IntermediateJenkinsKubernetesDocker6 min
How would you find the same df/du phantom-disk-usage issue on a containerized workload, where the culprit process might be in a different mount namespace?
AdvancedLinuxDocker8 min
What's the difference between a Docker container being OOM-killed by its own cgroup memory limit versus the host machine itself running out of memory?
IntermediateDocker6 min
Why does Docker report exit code 137 specifically for an OOM-killed container, and how does that map to the underlying kernel signal?
BeginnerDocker5 min
A Python script that processes a large file works fine on your laptop but gets OOM-killed when run in a container with a memory limit. What's likely wrong, and how do you fix it?
IntermediatePythonDocker8 min