ruby on rails - Devise 'remember me' to prevent login between sessions? -

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(i've seen other questions here, , i've followed documentation here, still doesn't work)

currently users have sign in every time close browser. want them kept logged in indefinitely.

i tried using devise 'remember me' function, doesn't seem work.

i see cookie created, called 'remember_user_token', doesn't seem have effect on login.

all config.remember_for settings disabled

what doing wrong? 

class authenticationscontroller < applicationcontroller   include devise::controllers::rememberable      def create       omniauth = request.env["omniauth.auth"]       authentication = omniauth['uid'].present? ? authentication.find_by_provider_and_uid(omniauth['provider'], omniauth['uid']) : nil       ...       respond @user     end      def respond(user)       user.remember_me = true       sign_in user, event: :authentication       remember_me(user)     end     ... end


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