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Spring Chart

Spring is a modern Java framework for developing Cloud Native Applications.

Chart Details

This chart is designed to be a general purpose chart for running Spring based applications, most simple Spring applications should run with little to no modification of this Chart. For the sake of example this chart is configured to deploy the Spring Petclinic example application, but simply changing the image and tag should be enough to run a different app.

Installing the Chart

To install the chart with the release name my-release:

$ helm install --name my-release stable/spring

Uninstalling the Chart

To uninstall/delete the my-release deployment:

helm delete --purge my-release

The command removes nearly all the Kubernetes components associated with the chart and deletes the release.

Configuration

The following table lists the configurable parameters of the drone charts and their default values.

Specify each parameter using the --set key=value[,key=value] argument to helm install.

Alternatively, a YAML file that specifies the values for the parameters can be provided while installing the chart. For example,

helm install --name my-release -f values.yaml stable/spring

Tip: You can use the default values.yaml

Parameter Description Default
replicaCount The number of replicas 1
image.repository location of image to run paulczar/petclinic
image.tag server image tag 2.1.0.BUILD-SNAPSHOT
image.pullPolicy server image pull policy IfNotPresent
serviceAccount.create If true, create and use service account true
serviceAccount.name If set override the name of the service account
rbac.create If true, create and use RBAC resources true
resources Resource requests and limits {}
tolerations List of node taints to tolerate []
nodeSelector Node labels for pod assignment {}
podAnnotations Annotations to apploy to the pod {}
spring.profile The spring profile to activate nil
spring.trustKubernetesCertificates ensure spring trusts kubernetes certs true
spring.config.type type of spring config (currently only supports file) file
spring.config.content YAML to be placed in /config/application.yml nil
spring.config.secretName Name of a secret containing secret.yml: key to be placed in /config/secret.yml nil
containerPort the port your application listens on 8080
extraEnv extra environment variables to pass to your application {}
livenessProbe Values to enable livenessProbe suitable for your application {}
readinessProbe Values to enable readinessProbe suitable for your application {}
service.enabled Enable creating a service true
service.type Kubernetes Service type ClusterIP
service.httpPort Service HTTP port 80
service.nodePort Kubernetes http node port nil
service.externalTrafficPolicy Enable client source IP preservation Cluster
service.loadBalancerIP LoadBalancerIP for the App nil
service.annotations Service annotations {}
ingress.enabled Enable ingress controller resource false
ingress.annotations Ingress annotations []
ingress.certManager Add annotations for cert-manager false
ingress.hosts Hostname(s) to your spring app []
ingress.tls.secretName Name of secret holding TLS certs nil
ingress.tls.hosts Hostname(s) to your spring app behind TLS []