nix-containers/flake.nix

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{
description = "various nix-based docker containers";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs";
flake-utils.url = "github:numtide/flake-utils";
};
outputs = { self, nixpkgs, flake-utils, ...} @ inputs: flake-utils.lib.eachSystem ["aarch64-linux" "x86_64-linux"] (system:
let
pkgs = import nixpkgs { inherit system; };
in rec {
formatter = pkgs.alejandra;
packages = {
buildImage = pkgs.dockerTools.streamLayeredImage {
name = "darkkirb/nix-containers";
tag = "build-container";
contents = with pkgs; [
bashInteractive
gzip
skopeo
nix
];
config.Env = [
"USER=nobody"
];
maxLayers = 125;
fakeRootCommands = ''
echo "substituters = https://cache.nixos.org/ https://f000.backblazeb2.com/file/cache-chir-rs/" >> /etc/nix/nix.conf
echo "trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= nixcache:8KKuGz95Pk4UJ5W/Ni+pN+v+LDTkMMFV4yrGmAYgkDg= hydra.nixos.org-1:CNHJZBh9K4tP3EKF6FkkgeVYsS3ohTl+oS0Qa8bezVs=" >> /etc/nix/nix.conf
echo "experimental-features = nix-command flakes" >> /etc/nix/nix.conf
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mkdir /etc/containers
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echo '{"default": [{"type":"insecureAcceptAnything"}]}' > /etc/containers/policy.json
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'';
};
};
});
}