Overview of how microservices are continuously deployed at Klarna with Stash, JIRA, Jenkins and Amazon Web Services. Examples of multiple development and deployment approaches in AWS and how we aim for having infrastructure as code at Klarna.

1. Continues delivery at Klarna
Sergey Estifeev | Klarna

2. Continuous Delivery
at Klarna
Sergey Evstifeev
Software Engineer at Klarna

3. Some facts/statistics
Microservices in Java, Ruby, Scala, Clojure, etc.
Many releases per system per day
AWS

4. Multiple approaches
No long-lived branches
Regular git-workflow is too slow
Approaches:
● push directly to master
● branch-based

5. Push to master

6. Push to master

7. Push to master
Tracking JIRA ticket numbers in commit
messages

8. Branch based
● Stash hooks
● Pipelines for dev-test and master-test
● Built with Jobs DSL

10. Review & tests in Stash

11. Job DSL plugin

12. Provisioning
Chef (server/solo), Shell scripts, Ansible
Binary repositories: Nexus, Pulp, Docker registry

13. JIRA ticket workflow
Create branch
“Ready for release”
Some issues

14. Questions
?