From Java Monolith to k8s with CI/CD

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Mauricio (Salaboy) Salatino

An open source journey with Jenkins X

Software

Outline
● Started with a monolith, single job
● Microservices = many jobs, many artifacts
● Kubernetes = various artifact types
● Jenkins-X loves k8s apps
● And it loves CD and gitops
● We also build libraries with it
● And it works pretty well!

Let’s create an app
https://youtu.be/xN9eydj4SHQ?t=250

jx env
Environment = namespace
Represented by git repo
Git repo contains helm chart

GitOps
Git repo as source of truth for k8s env/namespace
For JX this is a helm chart
Everything in source control

Continuous Delivery
Automatic promotion, not manual gates
Every commit is potentially-releasable

Gets you up and running with tooling
Kubernetes-native
Encourages best practices
Changed our way of thinking

We did a little tweaking
github charts repo
public dockerhub
nexus outside of cluster
various testing environments

Which looks like
https://drive.google.com/file/d/1yM2DBP-1WeMpAkAovOp2Q
qJS_wjHbSh0/view?usp=sharing

End to end tests
Scenarios repo used for running tests against charts

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