Quiz: What is a Container Runtime (e.g. <code>containerd</code>, <code>CRI-O</code>)?
A Container Runtime handles the lifecycle of containers on a node, interacting with Linux cgroups and namespaces to isolate processes.
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A Container Runtime handles the lifecycle of containers on a node, interacting with Linux cgroups and namespaces to isolate processes.
A Docker Image is a immutable layered snapshot; a Container is an active runtime instance executing that image.
… underlying image layer files until modified in the top container layer.
The --privileged flag gives the container near-total access to host kernel capabilities, posing severe security risks.
Mounting the Docker socket allows arbitrary container creation on the host, bypassing container isolation.
Container scanners detect CVEs in container base images before pushing to registries.
Init Containers execute sequentially to completion prior to application container initialization.
Sidecar containers share storage and network namespaces with the main container to provide supporting services.