--- title: Bye Opam, Hello Nix | daily.dev description: The author shares their frustrations with Opam as a package manager for OCaml and explains why they decided to switch to Nix. They highlight the challenges of... canonical: https://daily.dev/posts/bye-opam-hello-nix-bgyoevar5 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Bye Opam, Hello Nix | daily.dev og:description: The author shares their frustrations with Opam as a package manager for OCaml and explains why they decided to switch to Nix. They highlight the challenges of... og:url: https://daily.dev/posts/bye-opam-hello-nix-bgyoevar5 og:image: https://api.daily.dev/og/posts/bGyoEvAr5.png og:image:alt: Bye Opam, Hello Nix og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Bye Opam, Hello Nix **[Lobsters](https://daily.dev/sources/lobsters)** · 7 min read · 4 upvotes · 0 comments ## Summary The author shares their frustrations with Opam as a package manager for OCaml and explains why they decided to switch to Nix. They highlight the challenges of working with different library versions in Opam, the time it takes to release something on the Opam repository, and the installation of non-OCaml libraries. They then discuss how Nix can be used to manage the OCaml development workflow, create reproducible environments, and build projects. The author acknowledges that Nix may not be necessary for small projects and mentions the ongoing efforts to increase the number of libraries installable with Nix Flakes. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#ocaml](https://daily.dev/tags/ocaml) [View this post on daily.dev](https://daily.dev/posts/bye-opam-hello-nix-bgyoevar5) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Bye Opam, Hello Nix","url":"https://daily.dev/posts/bye-opam-hello-nix-bgyoevar5","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/bye-opam-hello-nix-bgyoevar5"},"datePublished":"2024-05-14T13:10:54.737Z","dateModified":"2024-05-14T13:10:52.732Z","description":"The author shares their frustrations with Opam as a package manager for OCaml and explains why they decided to switch to Nix. They highlight the challenges of...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/4669d18218a4b2ef4ef1b7ef2d5f6925?_a=AQAEuiZ","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/4669d18218a4b2ef4ef1b7ef2d5f6925?_a=AQAEuiZ","isAccessibleForFree":true,"articleSection":"Lobsters","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Lobsters","logo":"https://media.daily.dev/image/upload/s--tl8v_Fku--/f_auto,t_logo/v1698841318/logos/lobste.jpg","url":"https://daily.dev/sources/lobsters"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/bye-opam-hello-nix-bgyoevar5","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":4},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"ocaml","timeRequired":"PT7M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Lobsters","item":"https://daily.dev/sources/lobsters"},{"@type":"ListItem","position":3,"name":"Bye Opam, Hello Nix"}]} ```