I am trying to set up a simple subdomain-based blog in rails 3.2.8. Basically it will have sites, users (authenticated through Devise), and memberships to connect users to
Make sure you clear your cookies and restart the app.
Appname::Application.config.session_store :cookie_store, :key => '_appname_session', domain: ".appname.dev"
domain: ".appname.dev" is the correct format for the domain option. The beginning period is important.
domain: ".appname.dev"