Padrino Blog to use with Pivotal Cloud Foundry (PCF). The purpose of this Demo is to show PCFs ability to work with poliglot applications, this time it is a Padrino (Ruby) Application. This demo can be run anywhere on a running PCF Instance, whether it is local (https://network.pivotal.io/products/pcfdev) or on PWS (http://run.pivotal.io) or your hosted instance. Please make sure the elephantsql tile has been installed or adapt the config/database.rb to another DB of your choice.

Create a new service instance for elephantsql named smallelephant. This can be done using the web interface or by using the cf commandline: cf create-service elephantsql turtle smallelephant where turtle is the plan you may want to choose (turtle is the free plan on PWS). Any changes to the service name should be reflected in the manifest.yml. This service will then be bound automatically.

https://docs.pivotal.io/pivotalcf/1-7/devguide/services/migrate-db.html is a pretty complete and comprehensive guide on how to migrate a database. If you do not want to automate this as described there, something like cf push -c 'rake sq:migrate' -i 1 followed by a cf push -c 'rake db:seed' -i 1 should work. cf push -c 'null' will then start the application as usual.

Any changes to work with PCF are documented in the database.rb, this demo uses the https://github.com/cloudfoundry/cf-app-utils-ruby gem. Some hints how to make this work without this gem have been added.