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how to pull private docker image in helm charts
# values.yaml
imageCredentials:
name: credentials-name
registry: private-docker-registry (eg: https://index.docker.io/v1/)
username: user
password: pass
replicaCount: 1
application:
name: votingApp
group: app
container:
image: votingAppImage
port: 8080
service:
type: ClusterIP
port: 8080
config:
name: app-config
data:
- key: POSTGRES_DB
value: testdb
- key: POSTGRES_USER
value: postgres
- key: POSTGRES_PASSWORD
value: postgres
################
### templates/imagePullSecret.yaml
{{- define "imagePullSecret" }}
{{- printf "{\"auths\": {\"%s\": {\"auth\": \"%s\"}}}" .Values.imageCredentials.registry (printf "%s:%s" .Values.imageCredentials.username .Values.imageCredentials.password | b64enc) | b64enc }}
{{- end }}
### templates/secret.yaml
apiVersion: v1
kind: Secret
metadata:
name: {{ .Values.imageCredentials.name }}
type: kubernetes.io/dockerconfigjson
data:
.dockerconfigjson: {{ template "imagePullSecret" . }}
### templates/deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ .Values.application.name }}
labels:
app: {{ .Values.application.name }}
group: {{ .Values.application.group }}
spec:
replicas: {{ .Values.replicaCount }}
selector:
matchLabels:
app: {{ .Values.application.name }}
template:
metadata:
labels:
app: {{ .Values.application.name }}
group: {{ .Values.application.group }}
spec:
containers:
- name: {{ .Values.application.name }}
image: {{ .Values.application.container.image }}
ports:
- containerPort: {{ .Values.application.container.port }}
envFrom:
- configMapRef:
name: {{ .Values.application.config.name }}
imagePullSecrets:
- name: {{ .Values.imageCredentials.name }}
Source: devops.stackexchange.com
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