Comment by simonw
Here's a trick for running this against a Heroku PostgreSQL database (here for a Heroku app called "simonwillisonblog"):
rainfrog --url $(heroku config:get DATABASE_URL -a simonwillisonblog)
Here's a trick for running this against a Heroku PostgreSQL database (here for a Heroku app called "simonwillisonblog"):
rainfrog --url $(heroku config:get DATABASE_URL -a simonwillisonblog)