add secret key for staging in heroku
add key for production
remove key
setup secret token in local
Repair wrong name app
add staging secret_key_base
add secret_key_base directly
add thin and hide secret key
add Procfile for run thin in heroku
setup mailer for staging
setup smtp to ssl
add host staging for smtp
setup smtp witout ssl
add ssl to smtp
setup dynamic domain
modify request.host