microservice-helm/charts/base/templates/_helpers.tpl

{{/*
  Base library chart helpers for reusable resources.
  These templates are included by service subcharts.
*/}}

{{- define "base.configmap" -}}
{{- if .Values.config.enabled }}
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Values.app.name }}-config
  labels:
    app: {{ .Values.app.name }}
data:
  application.properties: |
    spring.application.name={{ .Values.app.name }}
    spring.protocol.name=spring
    server.port={{ .Values.service.targetPort }}
  application.yml: |
    {{- .Values.config.yml | toYaml | nindent 4 }}
{{- end }}
{{- end }}

{{- define "base.deployment" -}}
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ .Values.app.name }}
  labels:
    app: {{ .Values.app.name }}
spec:
  replicas: {{ .Values.app.replicaCount }}
  selector:
    matchLabels:
      app: {{ .Values.app.name }}
  template:
    metadata:
      labels:
        app: {{ .Values.app.name }}
      {{- with .Values.podAnnotations }}
      annotations:
        {{- toYaml . | nindent 8 }}
      {{- end }}
    spec:
      {{- with .Values.securityContext }}
      securityContext:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      containers:
      - name: {{ .Values.app.name }}
        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
        imagePullPolicy: {{ .Values.image.pullPolicy }}
        ports:
        - name: http
          containerPort: {{ .Values.service.targetPort }}
          protocol: TCP
        volumeMounts:
        - name: config-volume
          mountPath: /etc/config
          readOnly: true
        env:
        - name: JAVA_OPTS
          value: "-Xmx512m -Xms256m"
        {{- with .Values.resources }}
        resources:
          {{- toYaml . | nindent 12 }}
        {{- end }}
        livenessProbe:
          httpGet:
            path: /actuator/health
            port: http
          initialDelaySeconds: 30
          periodSeconds: 10
        readinessProbe:
          httpGet:
            path: /actuator/health
            port: http
          initialDelaySeconds: 5
          periodSeconds: 5
      volumes:
      - name: config-volume
        configMap:
          name: {{ .Values.app.name }}-config
      {{- with .Values.nodeSelector }}
      nodeSelector:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.affinity }}
      affinity:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.tolerations }}
      tolerations:
        {{- toYaml . | nindent 8 }}
      {{- end }}
{{- end }}

{{- define "base.service" -}}
apiVersion: v1
kind: Service
metadata:
  name: {{ .Values.app.name }}
  labels:
    app: {{ .Values.app.name }}
spec:
  type: {{ .Values.service.type }}
  ports:
    - port: {{ .Values.service.port }}
      targetPort: http
      protocol: TCP
      name: http
  selector:
    app: {{ .Values.app.name }}
{{- end }}