Docker: Difference between revisions
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[https://docker.com Docker] is a utility to pack, ship and run any application as a lightweight container. | [https://docker.com Docker] is a utility to pack, ship and run any application as a lightweight container. | ||
== | == Setup == | ||
To install docker, add the following to your NixOS configuration: | To install docker, add the following to your NixOS configuration: | ||
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</syntaxHighlight> | </syntaxHighlight> | ||
See [https://search.nixos.org/options?from=0&size=50&sort=alpha_asc&query=virtualisation.oci-containers oci-containers] for further options. | A more advanced example<syntaxhighlight lang="nixos"> | ||
{ config, pkgs, ... }: | |||
{ | |||
config.virtualisation.oci-containers.containers = { | |||
hackagecompare = { | |||
image = "chrissound/hackagecomparestats-webserver:latest"; | |||
ports = ["127.0.0.1:3010:3010"]; | |||
volumes = [ | |||
"/root/hackagecompare/packageStatistics.json:/root/hackagecompare/packageStatistics.json" | |||
]; | |||
cmd = [ | |||
"--base-url" | |||
"\"/hackagecompare\"" | |||
]; | |||
}; | |||
}; | |||
} | |||
</syntaxhighlight>See [https://search.nixos.org/options?from=0&size=50&sort=alpha_asc&query=virtualisation.oci-containers oci-containers] for further options. | |||
==== Usage ==== | |||
NixOS uses Podman to run OCI containers. Note that these are '''user-specific''', so running commands with or without sudo can change your output. | |||
List containers<syntaxhighlight lang="console"> | |||
# podman ps | |||
</syntaxhighlight>Update image<syntaxhighlight lang="console"> | |||
# podman restart hackagecompare | |||
</syntaxhighlight>List images<syntaxhighlight lang="console"> | |||
# podman ls | |||
</syntaxhighlight>Remove container<syntaxhighlight lang="console"> | |||
# podman rm hackagecompare | |||
</syntaxhighlight>Remove image<syntaxhighlight lang="console"> | |||
# podman rmi c0d9a5f58afe | |||
</syntaxhighlight>Update image<syntaxhighlight lang="console"> | |||
# podman pull chrissound/hackagecomparestats-webserver:latest | |||
</syntaxhighlight>Run interactive shell in running container<syntaxhighlight lang="console"> | |||
# podman exec -ti $ContainerId /bin/sh | |||
</syntaxhighlight> | |||
=== Running the docker daemon from nix-the-package-manager - not NixOS === | |||
This is not supported. You're better off installing the docker daemon [https://docs.docker.com/engine/install/ "the normal non-nix way"]. | |||
See the discourse discussion: [https://discourse.nixos.org/t/how-to-run-docker-daemon-from-nix-not-nixos/43413 How to run docker daemon from nix (not NixOS)] for more. | |||
== Creating images with Nix == | == Creating images with Nix == | ||