Config Directory

Lesson in the Ruby on Rails Roadmap · Stage 3: Request Reponse Flow

Last updated 14 September 2026

What is Config Directory?

The config directory in a Rails application houses configuration files that control various aspects of the application's behavior. These files define database connections, routing rules, environment-specific settings, and other application-wide configurations, allowing developers to customize the application without modifying the core code.

Study this in the interactive course See the whole Ruby on Rails roadmap

Free resources to learn Config Directory

Official docsConfiguring Rails Applications
ArticleSetting Up and Managing Databases in Ruby on Rails
ArticleThe Rails database.yml File

Config Directory: common questions

Can I learn Config Directory in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Config Directory in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this Config Directory tutorial for beginners?

It is lesson 14 of 98 in the free Ruby on Rails roadmap, in stage 3, Request Reponse Flow. If you are new to Ruby on Rails, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.