ローカル開発環境もpassengerで。
# /etc/apache2/sites-available/cloister
<VirtualHost *:80>
ServerName cloister
DocumentRoot /var/www/cloister
CustomLog /var/log/apache2/cloister-access.log combined
ErrorLog /var/log/apache2/cloister-error.log
RailsEnv development
RailsBaseURI /
</VirtualHost>
<VirtualHost *:443>
ServerName cloister
DocumentRoot /var/www/cloister
CustomLog /var/log/apache2/cloister-ssl-access.log combined
ErrorLog /var/log/apache2/cloister-ssl-error.log
RailsEnv development
RailsBaseURI /
SSLEngine on
SSLCertificateFile /etc/ssl/certs/ssl-cert-snakeoil.pem
SSLCertificateKeyFile /etc/ssl/private/ssl-cert-snakeoil.key
</VirtualHost>
SSLもテストできるし、なんでもっと早くやらなかったんだろう。後悔・・・。