oliverdavies.uk/content/node.f2220fec-35de-40a7-be72-9b3b643e15df.json

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            "value": "\n          <p><a href=\"/daily\/2025\/01\/19\/minimum-viable-development-environment\">In yesterday's email<\/a>, I showed how I've been using Nix and flake files to build reproducible and shareable development environments for Drupal applications.<\/p>\n\n<p>The reason it's reproducible is the <code>flake.lock<\/code> file.<\/p>\n\n<p>Similar to <code>composer.lock<\/code> or <code>package-lock.json<\/code>, it captures the exact versions of the packages installed from the nixpkgs repository.<\/p>\n\n<p>This file, along with <code>flake.nix<\/code>, can be committed alongside the application code and anyone with Nix installed can run <code>nix develop<\/code> to get a shell with the same packages and dependencies.<\/p>\n\n<p>This isn't the same as other solutions, where you add something like <code>FROM php:8.2<\/code> but, because there's no lockfile, there's no guarantee the same package versions will be installed so there could be mismatches that cause errors.<\/p>\n\n<p>With <code>flake.lock<\/code>, the environment isn't just repeatable - it's completely reproducible.<\/p>\n\n<p>Locally, in a CI pipeline or in production.<\/p>\n\n        ",
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