helm/docs/examples/nginx/templates/deployment.yaml

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  # This uses a "fullname" template (see _helpers)
  # Basing names on .Release.Name means that the same chart can be installed
  # multiple times into the same namespace.
  name: {{ template "fullname" . }}
  labels:
    # The "heritage" label is used to track which tool deployed a given chart.
    # It is useful for admins who want to see what releases a particular tool
    # is responsible for.
    heritage: {{ .Release.Service }}
    # The "release" convention makes it easy to tie a release to all of the
    # Kubernetes resources that were created as part of that release.
    release: {{ .Release.Name }}
    # This makes it easy to audit chart usage.
    chart: {{ .Chart.Name }}-{{ .Chart.Version }}
    app: {{ template "name" . }}
spec:
  replicas: {{ .Values.replicaCount }}
  template:
    metadata:
{{- if .Values.podAnnotations }}
      # Allows custom annotations to be specified
      annotations:
{{ toYaml .Values.podAnnotations | indent 8 }}
{{- end }}
      labels:
        app: {{ template "name" . }}
        release: {{ .Release.Name }}
    spec:
      containers:
        - name: {{ template "name" . }}
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          ports:
            - name: http
              containerPort: 80
              protocol: TCP
          # This (and the volumes section below) mount the config map as a volume.
          volumeMounts:
            - mountPath: /usr/share/nginx/html
              name: wwwdata-volume
          resources:
# Allow chart users to specify resources. Usually, no default should be set, so this is left to be a conscious
# choice to the chart users and avoids that charts don't run out of the box on, e. g., Minikube when high resource
# requests are specified by default.
{{ toYaml .Values.resources | indent 12 }}
    {{- if .Values.nodeSelector }}
      nodeSelector:
      # Node selectors can be important on mixed Windows/Linux clusters.
{{ toYaml .Values.nodeSelector | indent 8 }}
    {{- end }}
      volumes:
        - name: wwwdata-volume
          configMap:
            name: {{ template "fullname" . }}