config/initializers/cors.rb
Rails.application.config.middleware.insert_before 0, Rack::Cors, debug: true, logger: (-> {Rails.logger}) do
allow do
origins '*'
resource '/cors',
headers: :any,
methods: [:post],
credentials: false, # true,
max_age: 0
resource '*',
headers: :any,
methods: [:get, :post, :delete, :put, :patch, :options, :head],
max_age: 0,
credentials: false,
expose: %w{pagination-next-page pagination-page pagination-per-page pagination-previous-page pagination-total pagination-total-pages}
end
end