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karimzakzoukkarimzakzouk
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Add Helm chart templates and deployment configuration for Kubernetes
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‎.github/workflows/deploy.yml‎

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@@ -65,21 +65,28 @@ jobs:
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MONGO_PASSWORD: $(echo -n "${{ secrets.MONGO_PASSWORD }}" | base64)
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EOF
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- name: Generate Deployment YAML with Docker image
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run: |
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IMAGE_TAG=${{ inputs.image-tag || github.sha }}
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envsubst < ./kubernetes/deployment.template.yml > ./kubernetes/deployment.yml
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env:
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DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
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IMAGE_TAG: ${{ inputs.image-tag || github.sha }}
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# - name: Generate Deployment YAML with Docker image
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# run: |
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# IMAGE_TAG=${{ inputs.image-tag || github.sha }}
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# envsubst < ./kubernetes/deployment.template.yml > ./kubernetes/deployment.yml
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# env:
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# DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
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# IMAGE_TAG: ${{ inputs.image-tag || github.sha }}
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- name: Setup helm
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uses: azure/setup-helm@v4
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with:
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version: v3.5.4
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- name: Deploy to EKS
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run: |
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kubectl apply -f deployment.yml
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kubectl apply -f service.yml
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working-directory: ./kubernetes
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- name: Deploy with helm
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run: |
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IMAGE_TAG=${{ inputs.image-tag || github.sha }}
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helm upgrade --install solar-system ./helm \
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--set image.repository=ghcr.io/${{ secrets.DOCKER_USERNAME }}/graduation-project-devops \
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--set image.tag=$IMAGE_TAG \
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--namespace default \
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--create-namespace
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- name: Verify Deployment
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run: |

‎.github/workflows/destroy.yml‎

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@@ -27,8 +27,9 @@ jobs:
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- name: Delete LoadBalancer Services
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run: |
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aws eks update-kubeconfig --name otel-cluster --region us-east-1 || true
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kubectl delete services --all --ignore-not-found=true || true
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helm uninstall solar-system --namespace default || true
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kubectl delete svc -l app=solar-system || true
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- name: Terraform Init
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run: terraform init
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working-directory: ./Terraform

‎helm/Chart.yaml‎

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apiVersion: v2
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name: helm
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description: A Helm chart for Kubernetes
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type: application
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version: 0.1.0
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appVersion: "1.16.0"

‎helm/templates/NOTES.txt‎

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1. Get the application URL by running these commands:
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{{- if .Values.ingress.enabled }}
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{{- range $host := .Values.ingress.hosts }}
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{{- range .paths }}
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http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ .path }}
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{{- end }}
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{{- end }}
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{{- else if contains "NodePort" .Values.service.type }}
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export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "helm.fullname" . }})
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export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
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echo http://$NODE_IP:$NODE_PORT
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{{- else if contains "LoadBalancer" .Values.service.type }}
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NOTE: It may take a few minutes for the LoadBalancer IP to be available.
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You can watch its status by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "helm.fullname" . }}'
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export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "helm.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
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echo http://$SERVICE_IP:{{ .Values.service.port }}
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{{- else if contains "ClusterIP" .Values.service.type }}
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export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "helm.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
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export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
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echo "Visit http://127.0.0.1:8080 to use your application"
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kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:$CONTAINER_PORT
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{{- end }}

‎helm/templates/_helpers.tpl‎

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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "helm.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "helm.fullname" -}}
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{{- if .Values.fullnameOverride }}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- $name := default .Chart.Name .Values.nameOverride }}
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{{- if contains $name .Release.Name }}
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{{- .Release.Name | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "helm.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Common labels
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*/}}
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{{- define "helm.labels" -}}
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helm.sh/chart: {{ include "helm.chart" . }}
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{{ include "helm.selectorLabels" . }}
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{{- if .Chart.AppVersion }}
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app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
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{{- end }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- end }}
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{{/*
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Selector labels
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*/}}
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{{- define "helm.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "helm.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}
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{{/*
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Create the name of the service account to use
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*/}}
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{{- define "helm.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create }}
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{{- default (include "helm.fullname" .) .Values.serviceAccount.name }}
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{{- else }}
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{{- default "default" .Values.serviceAccount.name }}
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{{- end }}
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{{- end }}

‎helm/templates/deployment.yaml‎

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ include "helm.fullname" . }}
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labels:
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{{- include "helm.labels" . | nindent 4 }}
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spec:
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{{- if not .Values.autoscaling.enabled }}
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replicas: {{ .Values.replicaCount }}
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{{- end }}
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selector:
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matchLabels:
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{{- include "helm.selectorLabels" . | nindent 6 }}
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template:
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metadata:
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{{- with .Values.podAnnotations }}
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annotations:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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labels:
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{{- include "helm.labels" . | nindent 8 }}
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{{- with .Values.podLabels }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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spec:
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{{- with .Values.imagePullSecrets }}
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imagePullSecrets:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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serviceAccountName: {{ include "helm.serviceAccountName" . }}
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{{- with .Values.podSecurityContext }}
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securityContext:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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containers:
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- name: {{ .Chart.Name }}
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{{- with .Values.securityContext }}
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securityContext:
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{{- toYaml . | nindent 12 }}
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{{- end }}
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image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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ports:
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- name: http
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containerPort: {{ .Values.service.port }}
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protocol: TCP
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{{- with .Values.livenessProbe }}
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livenessProbe:
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{{- toYaml . | nindent 12 }}
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{{- end }}
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{{- with .Values.readinessProbe }}
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readinessProbe:
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{{- toYaml . | nindent 12 }}
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{{- end }}
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{{- with .Values.resources }}
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resources:
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{{- toYaml . | nindent 12 }}
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{{- end }}
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{{- with .Values.volumeMounts }}
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volumeMounts:
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{{- toYaml . | nindent 12 }}
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{{- end }}
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{{- with .Values.volumes }}
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volumes:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.nodeSelector }}
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nodeSelector:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.affinity }}
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affinity:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.tolerations }}
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tolerations:
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{{- toYaml . | nindent 8 }}
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{{- end }}

‎helm/templates/hpa.yaml‎

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{{- if .Values.autoscaling.enabled }}
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apiVersion: autoscaling/v2
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kind: HorizontalPodAutoscaler
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metadata:
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name: {{ include "helm.fullname" . }}
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labels:
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{{- include "helm.labels" . | nindent 4 }}
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spec:
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scaleTargetRef:
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apiVersion: apps/v1
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kind: Deployment
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name: {{ include "helm.fullname" . }}
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minReplicas: {{ .Values.autoscaling.minReplicas }}
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maxReplicas: {{ .Values.autoscaling.maxReplicas }}
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metrics:
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{{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
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- type: Resource
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resource:
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name: cpu
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target:
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type: Utilization
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averageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
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{{- end }}
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{{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
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- type: Resource
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resource:
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name: memory
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target:
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type: Utilization
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averageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
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{{- end }}
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{{- end }}

‎helm/templates/ingress.yaml‎

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{{- if .Values.ingress.enabled -}}
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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name: {{ include "helm.fullname" . }}
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labels:
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{{- include "helm.labels" . | nindent 4 }}
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{{- with .Values.ingress.annotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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spec:
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{{- with .Values.ingress.className }}
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ingressClassName: {{ . }}
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{{- end }}
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{{- if .Values.ingress.tls }}
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tls:
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{{- range .Values.ingress.tls }}
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- hosts:
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{{- range .hosts }}
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- {{ . | quote }}
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{{- end }}
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secretName: {{ .secretName }}
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{{- end }}
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{{- end }}
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rules:
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{{- range .Values.ingress.hosts }}
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- host: {{ .host | quote }}
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http:
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paths:
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{{- range .paths }}
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- path: {{ .path }}
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{{- with .pathType }}
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pathType: {{ . }}
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{{- end }}
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backend:
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service:
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name: {{ include "helm.fullname" $ }}
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port:
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number: {{ $.Values.service.port }}
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{{- end }}
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{{- end }}
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{{- end }}

‎helm/templates/service.yaml‎

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apiVersion: v1
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kind: Service
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metadata:
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name: {{ include "helm.fullname" . }}
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labels:
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{{- include "helm.labels" . | nindent 4 }}
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spec:
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type: {{ .Values.service.type }}
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ports:
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- port: {{ .Values.service.port }}
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targetPort: http
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protocol: TCP
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name: http
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selector:
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{{- include "helm.selectorLabels" . | nindent 4 }}

‎helm/templates/serviceaccount.yaml‎

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{{- if .Values.serviceAccount.create -}}
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: {{ include "helm.serviceAccountName" . }}
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labels:
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{{- include "helm.labels" . | nindent 4 }}
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{{- with .Values.serviceAccount.annotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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automountServiceAccountToken: {{ .Values.serviceAccount.automount }}
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{{- end }}

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