If you attempt to deploy a new application to Heroku using Rails 4.0.0, with a default postgresql configuration in your gemfile, such as: gem ‘pg’ Then, heroku will assume you are requesting PG version 0.12.2. This causes errors. Instead, to avoid connection errors (timeout, undefined constant, etc), you need a more recent version: gem ‘pg’, […]
Heroku postgreSQL – password authentication failed for user
If you just created a new PostgreSQL database for your Heroku App and are running into the following error: “password authentication failed for user” Try running the following command at the CLI: heroku pg:promote THE_DATABASE_NAME_HERE This should clear up the issue.