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Deployment Pipeline Approachλ︎

Using the Heroku Application platform cloud simplifies the deployment of the Clojure web application.

12 Factor approachλ︎

Following the 12 factor principles, the deployment is driven by source code to multiple environments.

Heroku multiple environment from one source

Heroku pipelinesλ︎

Using Heroku Pipelines the staging environment is promoted to production rather than being rebuilt

Heroku Pipeline concept - staging and production

The Heroku dashboard can be used to promote the application into production, once the staging application is signed off.

Heroku Pipeline banking-on-clojure

Heroku Build processλ︎

The build process starts when commits are pushed to Heroku, either directly or via a continuous integration service (eg. CircleCI).

Heroku build process