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Add Helm chart for Kubernetes deployment

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This commit is contained in:
Alexandre Vazquez
2025-07-02 16:20:34 +02:00
parent 78fb118c28
commit a1f81ee732
13 changed files with 339 additions and 0 deletions
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charts/xslt-playground/templates/_helpers.tpl
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{{- define "xslt-playground.labels" }}
app.kubernetes.io/name: {{ .Chart.Name }}
helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
app.kubernetes.io/instance: {{ .Release.Name }}
app.kubernetes.io/version: {{ .Chart.AppVersion }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
{{- end }}
{{- define "xslt-playground.selectorLabels" }}
app.kubernetes.io/name: {{ .Chart.Name }}
app.kubernetes.io/instance: {{ .Release.Name }}
{{- end }}
{{- define "xslt-playground.fullname" }}
{{- printf "%s-%s" .Release.Name .Chart.Name }}
{{- end }}
charts/xslt-playground/templates/backend-deployment.yaml
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apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ include "xslt-playground.fullname" . }}-backend
labels:
{{- include "xslt-playground.labels" . | nindent 4 }}
spec:
replicas: {{ .Values.replicaCount.backend }}
selector:
matchLabels:
{{- include "xslt-playground.selectorLabels" . | nindent 6 }}
component: backend
template:
metadata:
labels:
{{- include "xslt-playground.selectorLabels" . | nindent 8 }}
component: backend
spec:
containers:
- name: backend
image: "{{ .Values.image.backend.repository }}:{{ .Values.image.backend.tag }}"
imagePullPolicy: {{ .Values.image.backend.pullPolicy }}
env:
- name: DATABASE_URL
value: {{ .Values.databaseUrl | quote }}
- name: GOOGLE_APPLICATION_CREDENTIALS
value: {{ printf "%s/%s" .Values.firebase.credentialsMountPath .Values.firebase.credentialsKey | quote }}
volumeMounts:
- name: firebase
mountPath: {{ .Values.firebase.credentialsMountPath }}
readOnly: true
ports:
- containerPort: {{ .Values.service.backend.port }}
volumes:
- name: firebase
secret:
secretName: {{ .Values.firebaseSecretName }}
items:
- key: {{ .Values.firebase.credentialsKey }}
path: {{ .Values.firebase.credentialsKey }}
charts/xslt-playground/templates/backend-hpa.yaml
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{{- if .Values.hpa.backend.enabled }}
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
name: {{ include "xslt-playground.fullname" . }}-backend
labels:
{{- include "xslt-playground.labels" . | nindent 4 }}
spec:
scaleTargetRef:
apiVersion: apps/v1
kind: Deployment
name: {{ include "xslt-playground.fullname" . }}-backend
minReplicas: {{ .Values.hpa.backend.minReplicas }}
maxReplicas: {{ .Values.hpa.backend.maxReplicas }}
metrics:
- type: Resource
resource:
name: cpu
target:
type: Utilization
averageUtilization: {{ .Values.hpa.backend.targetCPUUtilizationPercentage }}
{{- end }}
charts/xslt-playground/templates/backend-service.yaml
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apiVersion: v1
kind: Service
metadata:
name: {{ include "xslt-playground.fullname" . }}-backend
labels:
{{- include "xslt-playground.labels" . | nindent 4 }}
spec:
type: {{ .Values.service.backend.type }}
ports:
- port: {{ .Values.service.backend.port }}
targetPort: {{ .Values.service.backend.port }}
protocol: TCP
name: http
selector:
{{- include "xslt-playground.selectorLabels" . | nindent 4 }}
component: backend
charts/xslt-playground/templates/frontend-deployment.yaml
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apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ include "xslt-playground.fullname" . }}-frontend
labels:
{{- include "xslt-playground.labels" . | nindent 4 }}
spec:
replicas: {{ .Values.replicaCount.frontend }}
selector:
matchLabels:
{{- include "xslt-playground.selectorLabels" . | nindent 6 }}
component: frontend
template:
metadata:
labels:
{{- include "xslt-playground.selectorLabels" . | nindent 8 }}
component: frontend
spec:
containers:
- name: frontend
image: "{{ .Values.image.frontend.repository }}:{{ .Values.image.frontend.tag }}"
imagePullPolicy: {{ .Values.image.frontend.pullPolicy }}
env:
- name: VITE_BACKEND_URL
value: http://{{ include "xslt-playground.fullname" . }}-backend:{{ .Values.service.backend.port }}
- name: VITE_FIREBASE_CONFIG
valueFrom:
secretKeyRef:
name: {{ .Values.firebaseSecretName }}
key: {{ .Values.firebase.configKey }}
ports:
- containerPort: {{ .Values.service.frontend.port }}
resources: {{- toYaml .Values.resources.frontend | nindent 12 }}
charts/xslt-playground/templates/frontend-hpa.yaml
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{{- if .Values.hpa.frontend.enabled }}
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
name: {{ include "xslt-playground.fullname" . }}-frontend
labels:
{{- include "xslt-playground.labels" . | nindent 4 }}
spec:
scaleTargetRef:
apiVersion: apps/v1
kind: Deployment
name: {{ include "xslt-playground.fullname" . }}-frontend
minReplicas: {{ .Values.hpa.frontend.minReplicas }}
maxReplicas: {{ .Values.hpa.frontend.maxReplicas }}
metrics:
- type: Resource
resource:
name: cpu
target:
type: Utilization
averageUtilization: {{ .Values.hpa.frontend.targetCPUUtilizationPercentage }}
{{- end }}
charts/xslt-playground/templates/frontend-ingress.yaml
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{{- if .Values.ingress.enabled }}
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: {{ include "xslt-playground.fullname" . }}-frontend
{{- with .Values.ingress.className }}
annotations:
kubernetes.io/ingress.class: {{ . | quote }}
{{- end }}
{{- range $k, $v := .Values.ingress.annotations }}
{{ $k }}: {{ $v | quote }}
{{- end }}
labels:
{{- include "xslt-playground.labels" $ | nindent 4 }}
spec:
{{- if .Values.ingress.className }}
ingressClassName: {{ .Values.ingress.className }}
{{- end }}
rules:
{{- range .Values.ingress.hosts }}
- host: {{ .host }}
http:
paths:
{{- range .paths }}
- path: {{ .path }}
pathType: {{ .pathType }}
backend:
service:
name: {{ include "xslt-playground.fullname" $ }}-frontend
port:
number: {{ $.Values.service.frontend.port }}
{{- end }}
{{- end }}
{{- if .Values.ingress.tls }}
tls:
{{- range .Values.ingress.tls }}
- hosts:
{{- range .hosts }}
- {{ . }}
{{- end }}
secretName: {{ .secretName }}
{{- end }}
{{- end }}
{{- end }}
charts/xslt-playground/templates/frontend-service.yaml
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apiVersion: v1
kind: Service
metadata:
name: {{ include "xslt-playground.fullname" . }}-frontend
labels:
{{- include "xslt-playground.labels" . | nindent 4 }}
spec:
type: {{ .Values.service.frontend.type }}
ports:
- port: {{ .Values.service.frontend.port }}
targetPort: {{ .Values.service.frontend.port }}
protocol: TCP
name: http
selector:
{{- include "xslt-playground.selectorLabels" . | nindent 4 }}
component: frontend
charts/xslt-playground/templates/secret.yaml
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apiVersion: v1
kind: Secret
metadata:
name: {{ .Values.firebaseSecretName }}
labels:
{{- include "xslt-playground.labels" . | nindent 4 }}
type: Opaque
data:
{{ .Values.firebase.credentialsKey }}: {{ .Values.firebase.credentials | default "" | b64enc | quote }}
{{ .Values.firebase.configKey }}: {{ .Values.firebase.config | default "" | b64enc | quote }}