Ruby on Rails - Web Development Framework

Ruby on Rails adalah web framework yang mengutamakan developer happiness dan produktivitas.

Apa itu Rails?

Ruby on Rails (atau Rails) dibuat oleh David Heinemeier Hansson (DHH) pada tahun 2004. Filosofi Rails:

• Convention over Configuration: Less code, more productivity
• Don't Repeat Yourself (DRY): Keep code maintainable
• Full-Stack Framework: Backend to frontend solution

Mengapa Rails?

• Rapid development
• Battle-tested (GitHub, Shopify, Airbnb)
• Rich ecosystem (gems)
• Strong community

Instalasi Rails

# Pastikan Ruby sudah terinstall
ruby --version  # Should be 3.0+

# Install Rails
gem install rails

# Cek versi
rails --version  # Rails 7.x

Membuat Aplikasi Pertama

# Buat Rails app baru
rails new blog

# Masuk ke folder
cd blog

# Struktur folder Rails
# app/       - Application code (models, views, controllers)
# config/    - Configuration files
# db/        - Database files
# public/    - Static files
# test/      - Test files

# Start Rails server
rails server
# atau
rails s

# Open http://localhost:3000

Rails Architecture (MVC)

User Request
    ↓
Router (config/routes.rb)
    ↓
Controller (app/controllers/)
    ↓ ↔ ←→
Model (app/models/) ←→ Database
    ↓
View (app/views/)
    ↓
Response