The PostgreSQL project releases new major versions yearly. The version of Postgres you wish to run can be specified with the -version flag within the Heroku Toolbelt. To populate it with data from an existing data source see the import instructions or follow the language-specific instructions in this article to connect from your application. doneĪt this point an empty PostgreSQL database is provisioned.
Promoting HEROKU_POSTGRESQL_RED_URL to DATABASE_URL. $ heroku pg:promote HEROKU_POSTGRESQL_RED_URL Additionally, you can use heroku addons to see if your application already has a database provisioned and what plan it is. Your language’s buildpack documentation will specify if any add-ons are automatically provisioned. Many buildpacks (what compiles your application into a runnable entity on Heroku) automatically provision a Heroku Postgres instance for you.
In addition to a variety of management commands available via the Heroku CLI, Heroku Postgres features a web dashboard, the ability to create dataclips and several additional services on top of a fully managed database service. Heroku Postgres is accessible from any language with a PostgreSQL driver including all languages and frameworks supported by Heroku: Java, Ruby, Python, Scala, Play, Node.js and Clojure. Heroku Postgres is the SQL database service run by Heroku that is provisioned and managed as an add-on.