Thomas Risberg trisberg

Build

Add a Dockerfile to the directory with the jar file:

Dockerfile

# syntax=docker/dockerfile:1

FROM eclipse-temurin:17-jdk-jammy

Using a Local Registry with Minikube

Install a local Registry

These instructions include running a local registry accessible from Kubernetes as well as from the host development machine at registry.dev.svc.cluster.local:5000.

Use the docker CLI to run the registry:2 container from Docker, listening on port 5000, and persisting images in the ~/.registry/storage directory.

Installing Spring Cloud Data Flow with Ingress support

Using the latest 2.5.0.RELEASE version of the Helm Chart for Spring Cloud Data Flow.

Software prerequisites

Have the following installed:

kubectl version v1.15 or later
helm Helm version 2

Minikube and spring-cloud-dataflow-ops setup

Create Minikube instance

minikube start --cpus=4 --memory=8192

Add metallb loadbalancer

SCDF Install Notes

Create GKE cluster

cloud container clusters create spring-test \
  --cluster-version=latest \
  --machine-type=n1-standard-2 \
  --enable-autoscaling --min-nodes=1 --max-nodes=3 \
  --enable-autorepair \

Knative Installation Notes

Installing Knative 0.14.0

Serving

kubectl apply -f https://github.com/knative/serving/releases/download/v0.14.0/serving-crds.yaml

	---
	# Flux version: v0.27.0
	# Components: source-controller
	apiVersion: v1
	kind: Namespace
	metadata:
	labels:
	app.kubernetes.io/instance: flux-system
	app.kubernetes.io/part-of: flux
	pod-security.kubernetes.io/warn: restricted

	apiVersion: backstage.io/v1alpha1
	kind: Component
	metadata:
	name: weatherforecast-steeltoe
	annotations:
	"backstage.io/kubernetes-label-selector": "app.kubernetes.io/part-of=weatherforecast-steeltoe"
	spec:
	type: service
	lifecycle: experimental
	owner: default-team

	name: kubernetes-skaffold
	displayName: Spring Kubernetes Deployment using Skaffold
	description: Deploy a Spring Boot application using kustomize, off-the-shell kustomizations, and deploy using skaffold.
	iconUrl: https://icon-library.com/images/rick-sanchez-icon/rick-sanchez-icon-24.jpg
	maintainer: [email protected]
	version: 1.0.0
	tags: skaffold, kubernetes, spring
	commands: \|-
	k8s new
	k8s update

	---
	# Source: postgresql/templates/secrets.yaml
	apiVersion: v1
	kind: Secret
	metadata:
	name: test-postgresql
	labels:
	app: postgresql
	chart: postgresql-8.9.6
	release: "test"