--- title: Creating a Sinatra API with system-wide dependency... description: Creating a Sinatra API with system-wide dependency injection using dry-system and rom-rb. Adding dry auto-inject gems as our dependency injection layer 6.... canonical: https://daily.dev/posts/creating-a-sinatra-api-with-system-wide-dependency-injection-using-dry-system-and-rom-rb-enklgwzgp twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Creating a Sinatra API with system-wide dependency injection using dry-system and rom-rb | daily.dev og:description: Creating a Sinatra API with system-wide dependency injection using dry-system and rom-rb. Adding dry auto-inject gems as our dependency injection layer 6.... og:url: https://daily.dev/posts/creating-a-sinatra-api-with-system-wide-dependency-injection-using-dry-system-and-rom-rb-enklgwzgp og:image: https://api.daily.dev/og/posts/enklgWZGp.png og:image:alt: Creating a Sinatra API with system-wide dependency injection using dry-system and rom-rb 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. # Creating a Sinatra API with system-wide dependency injection using dry-system and rom-rb **[DEV](https://daily.dev/sources/devto)** · 10 min read · 0 upvotes · 0 comments ## Summary Creating a Sinatra API with system-wide dependency injection using dry-system and rom-rb. Adding dry auto-inject gems as our dependency injection layer 6. Adding database connections with ROM and our modular architecture 7. Add a router class to encapsulate our execution Located at the root of our application. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#database](https://daily.dev/tags/database), [#architecture](https://daily.dev/tags/architecture), [#ruby](https://daily.dev/tags/ruby), [#rails](https://daily.dev/tags/rails), [#postgresql](https://daily.dev/tags/postgresql), [#gem](https://daily.dev/tags/gem), [#dependency-injection](https://daily.dev/tags/dependency-injection), [#sinatra](https://daily.dev/tags/sinatra) [View this post on daily.dev](https://daily.dev/posts/creating-a-sinatra-api-with-system-wide-dependency-injection-using-dry-system-and-rom-rb-enklgwzgp) ```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":"Creating a Sinatra API with system-wide dependency injection using dry-system and rom-rb","url":"https://daily.dev/posts/creating-a-sinatra-api-with-system-wide-dependency-injection-using-dry-system-and-rom-rb-enklgwzgp","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/creating-a-sinatra-api-with-system-wide-dependency-injection-using-dry-system-and-rom-rb-enklgwzgp"},"datePublished":"2023-08-06T18:31:19.978Z","dateModified":"2023-08-05T20:30:53.545Z","description":"Creating a Sinatra API with system-wide dependency injection using dry-system and rom-rb. 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