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Is the runtime of docker a magic runtime?


Asked by Rosemary Richard on Dec 15, 2021 Docker



A container-hardened runtime is not a magic runtime! You need to model memory requirements in terms of both steady-state and per-request memory usage. An application that requires a 70 MB cache has to accommodate that. Docker resource limits are built on top of cgroups, which is a Linux kernel capability.
And,
Docker allows you to set both build time and run time ENV variables and even lets you overwrite build time ENV vars at run time.
Just so, Containerd implements Kubernetes Container Runtime Interface (CRI) and is widely adopted across public clouds and enterprises. BuildKit is an open source tool that takes the instructions from a Dockerfile and ‘builds” a Docker image.
Indeed,
Docker Engine is the industry’s de facto container runtime that runs on various Linux (CentOS, Debian, Fedora, Oracle Linux, RHEL, SUSE, and Ubuntu) and Windows Server operating systems.
Furthermore,
If you build Docker images while nvidia is set as the default runtime, make sure the build scripts executed by the Dockerfile specify the GPU architectures that the container will need. Failure to do so may result in the container being optimized only for the GPU architecture on which it was built.