Building Your First Web App with Rails

Step-by-step guide to getting started with Ruby on Rails.

1. Set Up Your Environment

Install Ruby, Rails, and a database like PostgreSQL. Use a version manager like rbenv for smooth Ruby versioning.

2. Generate a New Rails App

rails new MyApp
cd MyApp

3. Create Your First Model

Generate a Post model with title and content fields:

rails generate model Post title:string content:text
rails db:migrate

4. Build a Simple View

Create a controller and a basic view to display posts:

rails generate controller Posts index

5. Launch Your App

Run the app locally:

rails server

Visit http://localhost:3000 and see your app in action!