Railsプロジェクトを作成したあとにActiveRecordを使わないようにする

rails newするときに--skip-active-recordオプションを付けなかった場合から付けた場合への差分です。

Railsプロジェクトを作成したあとに、DBを使わなくなった場合などの参考に。

Railsバージョン6.0.0.3

.gitignore

- # Ignore the default SQLite database. 
- /db/*.sqlite3 
- /db/*.sqlite3-journal 
- /db/*.sqlite3-*


- # Ignore uploaded files in development.   
- /storage/*    
- !/storage/.keep

Gemfile

- # Use sqlite3 as the database for Active Record   
- gem 'sqlite3', '~> 1.4'


- # Use Active Storage variant  
- # gem 'image_processing', '~> 1.2'    

Gemfile.lock

省略

app/javascript/packs/application.js

- require("@rails/activestorage").start()

app/models/application_record.rb

削除

bin/setup

- # puts "\n== Copying sample files ==" 
- # unless File.exist?('config/database.yml')   
- #   FileUtils.cp 'config/database.yml.sample', 'config/database.yml'  
- # end 


- puts "\n== Preparing database ==" 
- system! 'bin/rails db:prepare'    

config/application.rb

- require 'rails/all'
+ require "rails"
+ # Pick the frameworks you want:
+ require "active_model/railtie"
+ require "active_job/railtie"
+ # require "active_record/railtie"
+ # require "active_storage/engine"
+ require "action_controller/railtie"
+ require "action_mailer/railtie"
+ # require "action_mailbox/engine"
+ # require "action_text/engine"
+ require "action_view/railtie"
+ require "action_cable/engine"
+ require "sprockets/railtie"
+ require "rails/test_unit/railtie"

config/database.yml

削除

config/environments/development.rb

- # Store uploaded files on the local file system (see config/storage.yml for options). 
- config.active_storage.service = :local


- # Raise an error on page load if there are pending migrations.    
- config.active_record.migration_error = :page_load 


- # Highlight code that triggered database queries in logs. 
- config.active_record.verbose_query_logs = true    

config/environments/production.rb

- # Store uploaded files on the local file system (see config/storage.yml for options). 
- config.active_storage.service = :local    


- # Do not dump schema after migrations.    
- config.active_record.dump_schema_after_migration = false  

config/environments/test.rb

- # Store uploaded files on the local file system in a temporary directory. 
- config.active_storage.service = :test 

config/initializers/wrap_parameters.rb

- # To enable root element in JSON for ActiveRecord objects.    
- # ActiveSupport.on_load(:active_record) do    
- #   self.include_root_in_json = true  
- # end

config/storage.yml

削除

db/seeds.rb

削除

package.json

-  "@rails/activestorage": "^6.0.0",

test/test_helper.rb

-  # Setup all fixtures in test/fixtures/*.yml for all tests in alphabetical order. 
- fixtures :all 

実際にrails newしたものの差分です。
https://github.com/hid3h/diff-rails-active-record/pull/1/commits/725b4147da5b94db4d5f5ded0c7bf5c27c3d4489