Before a build starts, the whole context directory is sent to the daemon. Without a .dockerignore that includes .git, node_modules and every previous build artefact — commonly hundreds…
docker ps lists what is running, and after a fortnight of experiments it looks reassuringly short. The container that exited is not gone — its writable layer, its…
The container is the part that gets discussed, and the kernel features underneath it — cgroups and namespaces — have been in Linux for years and are what…