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How to use nerdctl if you are familiar with Docker CLI
🚧 Work in progress... This is a draft version of the lesson about nerdctl
. Please, consider supporting the development of this course on Patreon to help me finish this lesson faster.
nerdctl is a relatively new command-line client for containerd. Unlike ctr
, nerdctl
aims to be user-friendly and Docker-compatible. To some extent, nerdctl + containerd
can seamlessly replace docker + dockerd
. However, this does not seem to be the main goal of the project.
From the basic usage standpoint, comparing to ctr
, nerdctl
supports:
- Image building with
nerdctl build
(BuildKit required) - Container networking management
- Docker Compose with
nerdctl compose up
And the coolest part about it is that nerdctl
tries to provide the identical to docker
(and podman
) command-line UX. So, if you are familiar with docker
(or podman
) CLI, you are already familiar with nerdctl
.
nerdctl run -d -p 8080:80 --name nginx3 nginx