Heroku is quite popular for lightweight webservice and like projects. Until recently Heroku only offered PostgreSQL-based database backend providers, but now Heroku offers a quite large range of database backend providers; among them Amazon RDS. This is a short run-down on how I managed to get a Heroku-based application to connect to a Amazon RDS-based database. Install the Amazon RDS command line tools $ sudo apt-get install rdscli Create a AWS Credential File (~/.