📄 tailwindcss/docs/installation/framework-guides/ruby-on-rails

File: ruby-on-rails.md | Updated: 11/15/2025

Source: https://tailwindcss.com/docs/installation/framework-guides/ruby-on-rails

v4.1

⌘KCtrl KDocs Blog Showcase Sponsor Plus

  1. Installation
  2. Install Tailwind CSS with Ruby on Rails

Installation

Install Tailwind CSS with Ruby on Rails

Setting up Tailwind CSS in Ruby on Rails v8+ project.

01

Create your project

Start by creating a new Rails project if you don't have one set up already. The most common approach is to use the Rails Command Line .

Terminal

rails new my-projectcd my-project

02

Install Tailwind CSS

Install the tailwindcss-rails gem then run the install command to set up Tailwind CSS in your project.

Terminal

bundle add tailwindcss-rails./bin/rails tailwindcss:install

03

Start your build process

Run your build process with ./bin/dev.

Terminal

./bin/dev

04

Start using Tailwind in your project

Start using Tailwind's utility classes to style your content.

index.html.erb

<h1 class="text-3xl font-bold underline">  Hello world!</h1>

Copyright © 2025 Tailwind Labs Inc.·Trademark Policy