This is phppgadmin web admin console patched for Heroku.
# in your heroku php app.
heroku addons:add shared-database
git submodule add git://github.com/yandod/phppgadmin-heroku.git
git add .
git commit -m "Add phppgadmin-heroku"
git push origin master
You can see username:password combo from heroku config.