ErdKeeper is a gem that outputs ER diagram by setting yaml.
The output of ER diagram is realized by wrapping call of rails-erd.
This gem generate a diagram based on your application's Active Record models.
Add this line to your application's Gemfile:
gem 'erd-keeper'
And then execute:
$ bundle
Create configuration file (Write your application's Active Record models):
diagrams:
tweet:
- User
- Micropost
all:
- User
- Micropost
- Relationship
And then execute:
$ bundle exec erd-keeper --input="config/erd-keeper.yml" --output="./"
- --input : Write the path of the configuration file.
- --output : Write the path of the output ER diagram.
The gem is available as open source under the terms of the MIT License.