This image, based on Sun's OpenSolaris 32-bit image , ami-41e70328, is a complete and optimized Ruby On Rails stack with DTrace support built into it. This stack includes, Mongrel, Mongrel_cluser, Thin, MySQL, Postgres, sample SMF scripts, the Blastwave client, Git, Ruby clients for the databases/S3, GNU Findutils, gcc, and Sun Studio. This AMI is provided by Sun Microsystems and requires registration.