53 lines
1.5 KiB
Markdown
53 lines
1.5 KiB
Markdown
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---
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title: Making ddev reproducible
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date: 2025-01-21
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permalink: daily/2025/01/21/ddev
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tags:
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- software-development
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- drupal
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- ddev
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cta: ~
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snippet: |
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How to use Nix to make DDEV reproducible.
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---
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I sometimes work on projects that already has an existing environment configuration, usually using a tool like DDEV.
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Similar to using Nix, DDEV makes environments more consistent by standardising versions of PHP, nodejs, etc for each project.
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This is great, but how do you know everyone has the same version of DDEV?
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Different people having different versions of DDEV could introduce its own issues and bugs, such as pulling different images with different default package versions.
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## Enter Nix
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The Nix package manager has over 100,000 packages, including DDEV.
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This means I can install DDEV via Nix and because of the flake.nix file, anyone using the same configuration will get the same version of DDEV.
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Here's a simple `flake.nix` file to install DDEV:
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```nix
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{
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inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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outputs =
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{ nixpkgs, ... }:
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let
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system = "x86_64-linux";
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pkgs = nixpkgs.legacyPackages.${system};
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in
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{
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devShells.${system}.default = pkgs.mkShell {
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buildInputs = with pkgs; [ ddev ];
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};
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};
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}
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```
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This approach also means I can have different versions of DDEV installed at once so I can use different versions for different projects as needed.
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I also don't need it installed globally, so this only makes it available to the projects that need it.
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It's a bit meta, but it works.
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