30 lines
1.4 KiB
Markdown
30 lines
1.4 KiB
Markdown
---
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title: Why consistency and reproducibility are important
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date: 2024-11-12
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permalink: daily/2024/11/12/why-consistency-and-reproducibility-are-important
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tags:
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- software-development
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- linux
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- nix
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- docker
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cta: ~
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snippet: |
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Why is it important for software environments to be consistent and reproducible?
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---
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Have you worked on a project where different Developers are developing with different tools or have different versions of packages installed?
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In a development team, you want all environments to be consistent - including every Developer's local environment.
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You want to have every environment to be as close as possible to each other or, ideally, identical.
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You want everyone to use the same PHP version, the same web and database servers and the same packages installed.
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Once things start to diverge, bugs can be introduced - such as writing code locally in a newer version of PHP than what's on production.
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Ideally, you also want everything to be reproducible with locked dependencies and generate the same outcome regardless of when the commands are run.
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This is one of the main reasons I've [started to use Nix and devenv for projects][0] - because they create environments that are both consistent and reproducible, reducing the chances of dependency mismatches and bugs creeping into my code.
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[0]: {{site.url}}/daily/2024/11/11/could-nix-and-devenv-replace-docker-compose
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