dinatih

# config/initializers/activestorage.rb
Rails.application.config.to_prepare do
  # Provides the class-level DSL for declaring that an Active Record model has attached blobs.
  ActiveStorage::Attached::Macros.module_eval do
    def has_one_attached(name, dependent: :purge_later, acl: :private)
      class_eval <<-CODE, __FILE__, __LINE__ + 1
        def #{name}
          @active_storage_attached_#{name} ||= ActiveStorage::Attached::One.new("#{name}", self, dependent: #{dependent == :purge_later ? ":purge_later" : "false"}, acl: "#{acl}")
        end

yalab

$ echo 'gem "webpacker"' >> Gemfile
$ bundle install
$ rails webpacker:install
$ yarn add [email protected] jquery popper.js

diff --git a/config/webpack/environment.js b/config/webpack/environment.js
index d16d9af..86bf1a7 100644

rmosolgo

source 'https://rubygems.org'
gem "graphql", github: "rmosolgo/graphql-ruby", branch: "subscriptions"
gem "sinatra"
gem "thin"