Rails installation and setup - Mini Project: Build & Apply

Rails installation and setup

📖 Scenario: You want to start a new web project using Ruby on Rails. First, you need to install Rails and create a new Rails application on your computer.

🎯 Goal: Set up Ruby on Rails by installing the Rails gem and creating a new Rails application named myapp.

📋 What You'll Learn

Install the Rails gem version 7.0.0 or higher

Create a new Rails application named myapp

Navigate into the myapp directory

Start the Rails server to verify the setup

💡 Why This Matters

🌍 Real World

Setting up Rails is the first step to building web applications with Ruby on Rails, a popular framework for websites and APIs.

💼 Career

Knowing how to install and start a Rails project is essential for Ruby on Rails developers and web engineers working with this framework.

1

Install Rails gem

Run the command gem install rails -v 7.0.0 in your terminal to install Rails version 7.0.0.

Ruby on Rails

# Run gem install rails -v 7.0.0 in your terminal

Need a hint?

Use the gem install command followed by rails -v 7.0.0 to install Rails version 7.0.0.

2

Create a new Rails application

Run the command rails new myapp in your terminal to create a new Rails application named myapp.

Ruby on Rails

gem install rails -v 7.0.0
# Run rails new myapp in your terminal

Need a hint?

Use the rails new command followed by the app name myapp to create the project.

3

Navigate into the application directory

Run the command cd myapp in your terminal to move into the myapp directory.

Ruby on Rails

gem install rails -v 7.0.0
rails new myapp
# Run cd myapp in your terminal

Need a hint?

Use the cd command to change directory into myapp.

4

Start the Rails server

Run the command bin/rails server in your terminal to start the Rails server and verify the setup.

Ruby on Rails

gem install rails -v 7.0.0
rails new myapp
cd myapp
# Run bin/rails server in your terminal

Need a hint?

Use bin/rails server to start the Rails web server.