I pushed this Ruby application to CloudFoundry using Ubuntu's CloudFoundry vmc!
Environment
VMC_APP_HOST=172.30.49.156
VMC_APP_INSTANCE={"droplet_id":37330,"instance_id":"d215da560937e8e72703f363393cc734","instance_index":0,"name":"example101","dir":"/var/vcap/data/dea/apps/example101-0-d215da560937e8e72703f363393cc734","uris":["example101.cloudfoundry.com"],"users":["dustin.kirkland@gmail.com"],"version":"11a7f917404cb3d7f095cdd41623e98c65190a10-3","mem_quota":67108864,"disk_quota":2147483648,"fds_quota":256,"state":"STARTING","runtime":"ruby18","framework":"sinatra","start":"2012-05-11 03:45:56 +0000","state_timestamp":1336707956,"log_id":"(name=example101 app_id=37330 instance=d215da560937e8e72703f363393cc734 index=0)","flapping":false,"secure_user":"vcap-user-30","resources_tracked":true,"port":36516}
VMC_APP_NAME=example101
SHELL=/bin/bash
VMC_APP_PORT=36516
VCAP_DEBUG_PORT=
VCAP_APP_PORT=36516
VCAP_CONSOLE_IP=
NO_PROXY=.cloudfoundry.com, .prod.las01.vcsops.com, localhost, 127.0.0.1
USER=vcap-user-30
http_proxy=http://squid.las01.emcatmos.com:3128
LD_LIBRARY_PATH=/var/vcap/packages/mysqlclient/lib/mysql:/var/vcap/packages/sqlite/lib:/var/vcap/packages/libpq/lib:
VCAP_APPLICATION={"instance_id":"d215da560937e8e72703f363393cc734","instance_index":0,"name":"example101","uris":["example101.cloudfoundry.com"],"users":["dustin.kirkland@gmail.com"],"version":"11a7f917404cb3d7f095cdd41623e98c65190a10-3","start":"2012-05-11 03:45:56 +0000","runtime":"ruby18","state_timestamp":1336707956,"port":36516,"limits":{"fds":256,"mem":67108864,"disk":2147483648},"host":"172.30.49.156"}
RACK_ENV=production
PATH=/var/vcap/packages/dea_transition/rubygems/1.8/bin:/var/vcap/packages/dea_ruby18/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
MAIL=/var/mail/vcap-user-30
PWD=/var/vcap/data/dea/apps/example101-0-d215da560937e8e72703f363393cc734/app
LANG=en_US.UTF-8
VCAP_DEBUG_IP=
VCAP_SERVICES={}
VMC_WARNING_WARNING=All VMC_* environment variables are deprecated, please use VCAP_* versions.
HTTPS_PROXY=http://squid.las01.emcatmos.com:3128
https_proxy=http://squid.las01.emcatmos.com:3128
VMC_APP_VERSION=11a7f917404cb3d7f095cdd41623e98c65190a10-3
HOME=/var/vcap/data/dea/apps/example101-0-d215da560937e8e72703f363393cc734
SHLVL=2
no_proxy=.cloudfoundry.com, .prod.las01.vcsops.com, localhost, 127.0.0.1
VMC_SERVICES=[]
HTTP_PROXY=http://squid.las01.emcatmos.com:3128
LOGNAME=vcap-user-30
GEM_PATH=/var/vcap/packages/dea_transition/rubygems/1.8:
VMC_APP_ID=d215da560937e8e72703f363393cc734
RUBYOPT=-rubygems -I/var/vcap/data/dea/apps/example101-0-d215da560937e8e72703f363393cc734/ruby -rstdsync
VCAP_APP_HOST=172.30.49.156
VCAP_CONSOLE_PORT=
_=/var/vcap/packages/dea_ruby18/bin/ruby
OLDPWD=/var/vcap/data/dea/apps/example101-0-d215da560937e8e72703f363393cc734