helm-development

# Helm Development Skill

Develop, test, and publish Helm charts for EKS deployments.

## Use For
- Chart scaffolding, values management, chart testing
- Linting, security scanning, chart publishing

## Chart Structure for EKS + Keycloak

```
charts/my-service/
├── Chart.yaml
├── Chart.lock
├── values.yaml
├── values-dev.yaml
├── values-staging.yaml
├── values-prod.yaml
├── .helmignore
├── templates/
│   ├── _helpers.tpl
│   ├── deployment.yaml
│   ├── service.yaml
│   ├── ingress.yaml
│   ├── serviceaccount.yaml
│   ├── hpa.yaml
│   ├── pdb.yaml
│   ├── configmap.yaml
│   ├── secret.yaml
│   ├── external-secret.yaml      # For AWS Secrets Manager
│   ├── networkpolicy.yaml
│   └── tests/
│       └── test-connection.yaml
└── ci/
    ├── test-values.yaml
    └── lint-values.yaml
```

## Chart.yaml Template

```yaml
apiVersion: v2
name: my-service
description: A Helm chart for my-service with Keycloak authentication
type: application
version: 0.1.0
appVersion: "1.0.0"
kubeVersion: ">=1.25.0"

keywords:
  - microservice
  - keycloak
  - eks

home: https://github.com/org/my-service
sources:
  - https://github.com/org/my-service

maintainers:
  - name: Platform Team
    email: platform@example.com

dependencies:
  - name: common
    version: "2.x.x"
    repository: "https://charts.bitnami.com/bitnami"
    condition: common.enabled

annotations:
  artifacthub.io/category: integration
  artifacthub.io/license: MIT
```

## Values Schema (values.yaml)

```yaml
# Default values for my-service

# -- Number of replicas
replicaCount: 1

image:
  # -- Image repository
  repository: ""
  # -- Image pull policy
  pullPolicy: IfNotPresent
  # -- Image tag (defaults to chart appVersion)
  tag: ""

# -- Image pull secrets
imagePullSecrets: []
# -- Override chart name
nameOverride: ""
# -- Override full name
fullnameOverride: ""

serviceAccount:
  # -- Create service account
  create: true
  # -- Service account annotations (for IRSA)
  annotations: {}
  # -- Service account name
  nam