Rails ERD Viewer

Rails ERD Viewer automatically generates Entity-Relationship Diagrams from your ActiveRecord and displays them using erd-editor.

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Install

Add this to the development group in your Gemfile:

group :development do
  gem 'rails_erd_viewer', '~> 0.1.2'
end

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Usage

Run rails erd:generate.

Then visit /erd-viewer

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Automatic ERD Generation

The ERD generation will happen automatically in the following situations:

• After running migrations: Every time you execute rails db:migrate, rails db:reset, or rails db:redo, the ERD diagram will be automatically generated, reflecting changes in the database.
• After a rollback: Whenever you run rails db:rollback, the ERD diagram will be regenerated to reflect the current state of the database.

This ensures that the ERD diagram is always up-to-date, reflecting changes in the database structure without the need for additional commands.

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Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/wptussolini/rails_erd_viewer.