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Master Ruby on Rails with Adaptive AI.

Master Ruby on Rails across 19 topics - Foundations, Intermediate, and Advanced - guided by Leyaa's adaptive intelligence.

3Parts
19Topics
147Patterns
35hEst. duration
Start Learning Free
Ruby on Rails
Ruby on Rails Course
3 - part learning journey
Beginner
Foundations
6 topics · 48 patterns
Beginner
Intermediate
Intermediate
7 topics · 55 patterns
Intermediate
Advanced
Advanced
6 topics · 44 patterns
Advanced
Begin Part 1: Foundations
✦ Course Structure

Your Ruby on Rails Journey in 3 Parts

Each part builds on the last - a deliberate progression from beginner to advanced.

Beginner
Beginner
Part 1: Foundations
Covers Rails Basics and Philosophy, Rails Directory Structure, Routing and 3 more topics.
6Topics
48Patterns
View topics
Intermediate
Intermediate
Part 2: Intermediate
Covers Migrations and Schema Management, Active Record Queries, Associations and 4 more topics.
7Topics
55Patterns
View topics
Advanced
Advanced
Part 3: Advanced
Covers API Mode, Testing in Rails, Background Jobs and 3 more topics.
6Topics
44Patterns
View topics
Curriculum

Everything You'll Learn

Explore every topic and pattern in the course.

Ruby on Rails

3 parts · 19 topics · 147 patterns
Beginner
Part 1: Foundations6 topics · 48 patterns
Beginner
01
Rails Basics and Philosophy
7 patterns
Why Ruby on Rails exists
Convention over configuration principle
MVC architecture in Rails
Rails vs Django vs Express comparison
Rails installation and setup
Rails new project generation
First Rails application
02
Rails Directory Structure
7 patterns
Why structure conventions matter
App folder organization
Config folder purpose
Database folder and migrations
Public and assets folders
Gemfile and dependency management
Environment configuration files
03
Routing
9 patterns
Why routing maps URLs to actions
Route definition in routes.rb
RESTful resource routes
Root route
Named routes and path helpers
Nested routes
Route parameters
Route constraints
Member and collection routes
04
Controllers and Actions
8 patterns
Why controllers handle requests
Controller generation
Action methods
Before and after filters
Strong parameters
Redirect and render
Flash messages
Session handling
05
Views and Templates
9 patterns
Why views present data
ERB template syntax
Layouts and content_for
Partial templates
Passing data to partials
View helpers
Form helpers (form_with)
Link and URL helpers
Asset pipeline basics
06
Models and Active Record Basics
8 patterns
Why models represent data
Model generation
Active Record pattern
Database table naming conventions
Column types and attributes
CRUD operations through models
Query interface basics
Callbacks overview
Intermediate
Part 2: Intermediate7 topics · 55 patterns
Intermediate
01
Migrations and Schema Management
8 patterns
Why migrations version the database
Creating migrations
Adding and removing columns
Changing column types
Index creation
Running and rolling back migrations
Schema.rb understanding
Seed data
02
Active Record Queries
9 patterns
Why query interface abstracts SQL
Where conditions
Order and limit
Select and pluck
Group and having
Joins and includes
Eager loading (N+1 prevention)
Scopes for reusable queries
Raw SQL when needed
03
Associations
8 patterns
Why associations connect models
belongs_to relationship
has_many relationship
has_one relationship
Many-to-many with has_many through
Polymorphic associations
Dependent destroy and nullify
Association callbacks
04
Validations
9 patterns
Why validations protect data integrity
Presence validation
Uniqueness validation
Format validation
Length validation
Numericality validation
Custom validation methods
Conditional validations
Error messages and display
05
Form Handling
7 patterns
Why forms drive user interaction
Form_with helper
Model-backed forms
Nested attributes
File uploads with Active Storage
CSRF protection
Form object pattern
06
Authentication
7 patterns
Why authentication secures applications
has_secure_password
Session-based authentication
Login and logout flow
Remember me functionality
Devise gem overview
OAuth integration basics
07
Mailers and Notifications
7 patterns
Why email integration is essential
Action Mailer setup
Mailer generation and templates
Sending emails from controllers
Background email delivery
Email previews
Action Cable for real-time updates
Advanced
Part 3: Advanced6 topics · 44 patterns
Advanced
01
API Mode
8 patterns
Why Rails API mode exists
API-only application setup
JSON rendering
Serializers (Active Model Serializers)
API versioning
Token-based authentication
Rate limiting
CORS configuration
02
Testing in Rails
7 patterns
Why testing is integral to Rails
Minitest vs RSpec
Model tests
Controller tests
Integration tests
Fixture and factory usage
System tests with Capybara
03
Background Jobs
7 patterns
Why background processing improves performance
Active Job framework
Sidekiq adapter setup
Job creation and queuing
Job retries and error handling
Scheduled jobs
Job priorities and queues
04
Asset Management
7 patterns
Why asset management matters
Sprockets asset pipeline
Webpacker and JavaScript bundling
Import maps (Rails 7+)
Stimulus and Turbo (Hotwire)
CSS bundling options
Image and file handling
05
Caching and Performance
7 patterns
Why caching improves response times
Page and action caching
Fragment caching
Russian doll caching
Low-level caching with Rails.cache
Database query optimization
N+1 detection tools
06
Deployment and Production
8 patterns
Why deployment preparation matters
Production environment configuration
Database setup for production
Heroku deployment
Docker deployment
Puma server configuration
Logging and monitoring
Security best practices
Why Leyaa

Not just a course. A learning intelligence.

Leyaa doesn't just deliver content - it understands where you are, what you need, and how to get you there fastest.

Adaptive Diagnostics
Adaptive Diagnostics
Leyaa identifies which of the 147 patterns you've mastered and which need work - before you waste time on what you already know.
Pattern-Level Precision
Pattern-Level Precision
Every pattern gets a verdict - Learn, Practice, or Skip - so your study time goes exactly where it counts.
Intelligent Pacing
Intelligent Pacing
Leyaa reads your velocity across the whole course and adapts your focus list dynamically, keeping you in the optimal learning zone.
Before & After Visibility
Before & After Visibility
Every assessment creates a snapshot. Retake anytime to see exactly how much you've grown - topic by topic, pattern by pattern.
Learner Autonomy
Learner Autonomy
Leyaa recommends, never restricts. Override any suggestion and explore at your own pace - the system tracks everything regardless.
Clear Learning Path
Clear Learning Path
Foundations → Intermediate → Advanced - a structured journey where each part sets you up perfectly for the next.
Ruby on Rails

Ready to master Ruby on Rails?
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Start your diagnostic now. Build mastery across all 19 topics in under 15 minutes.

19 Topics
147 Patterns
Personalized roadmap
Leyaa Swift Bird