saolof
March 10, 2023, 2:15pm
1
Hi! in a dockerfile, adding files to the container from the local directory is straightforward. How do I do this with nix? Also, how would I include a local shell file as the entrypoint of the build docker image?
To include files, assign them to the copyToRoot attribute.
For some good examples see also:
# Examples of using the docker tools to build packages.
#
# This file defines several docker images. In order to use an image,
# build its derivation with `nix-build`, and then load the result with
# `docker load`. For example:
#
# $ nix-build '<nixpkgs>' -A dockerTools.examples.redis
# $ docker load < result
{ pkgs, buildImage, buildLayeredImage, fakeNss, pullImage, shadowSetup, buildImageWithNixDb, pkgsCross, streamNixShellImage }:
let
nixosLib = import ../../../nixos/lib {
# Experimental features need testing too, but there's no point in warning
# about it, so we enable the feature flag.
featureFlags.minimalModules = {};
};
evalMinimalConfig = module: nixosLib.evalModules { modules = [ module ]; };
in
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saolof
March 15, 2023, 8:16am
3
The issue ended up being that the documentation for the nix language has a big gap between teaching basic syntax and teaching actual use of the standard library. Utility functions like builtins.readFile are very difficult to find
1 Like
For OP or anyone else, you can use copyToRoot and a derivation to copy files to a docker image.
Hi All,
I’ve only been using Nix for a short amount of time, so far enjoying the ride. However today I’m stuck and no amount of googling/reading gives me the answer I’m looking for.
I’m trying to create a config file and copy it to the Docker image. I’m tried a few things and none seem to work. When I log in to the container the supervisord.conf file doesn’t exist. I’m sure I’m doing something silly but any pointers would be helpful.
{ pkgs ? import <nixpkgs> {}, pkgsLinux ? import <nixpkgs> …