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

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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 | quote }}
# This makes it easy to search for all components of a release using kubectl.
release: {{ .Release.Name | quote }}
# This makes it easy to audit chart usage.
chart: "{{.Chart.Name}}-{{.Chart.Version}}"
spec:
replicas: {{default 1 .Values.replicaCount}}
template:
metadata:
labels:
app: {{template "fullname" .}}
release: {{.Release.Name | quote }}
spec:
containers:
- name: nginx
# Making image configurable is not necessary. Making imageTag configurable
# is a nice option for the user. Especially in the strange cases like
# nginx where the base distro is determined by the tag. Using :latest
# is frowned upon, using :stable isn't that great either.
image: "{{default "nginx" .Values.image}}:{{default "stable-alpine" .Values.imageTag}}"
imagePullPolicy: {{default "IfNotPresent" .Values.pullPolicy}}
ports:
- containerPort: 80
# This (and the volumes section below) mount the config map as a volume.
volumeMounts:
- mountPath: /usr/share/nginx/html
name: wwwdata-volume
volumes:
- name: wwwdata-volume
configMap:
name: {{template "fullname" .}}