Docker Registry Helm Chart

This directory contains a Kubernetes chart to deploy a private Docker Registry.

Prerequisites Details

• PV support on underlying infrastructure (if persistence is required)

Chart Details

This chart will do the following:

• Implement a Docker registry deployment

Installing the Chart

First, add the repo:

$ helm repo add twuni https://helm.twun.io

To install the chart, use the following:

$ helm install twuni/docker-registry

Configuration

The following table lists the configurable parameters of the docker-registry chart and their default values.

Parameter	Description	Default
image.pullPolicy	Container pull policy	IfNotPresent
image.repository	Container image to use	registry
image.tag	Container image tag to deploy	2.7.1
imagePullSecrets	Specify image pull secrets	nil (does not add image pull secrets to deployed pods)
persistence.accessMode	Access mode to use for PVC	ReadWriteOnce
persistence.enabled	Whether to use a PVC for the Docker storage	false
persistence.deleteEnabled	Enable the deletion of image blobs and manifests by digest	nil
persistence.size	Amount of space to claim for PVC	10Gi
persistence.storageClass	Storage Class to use for PVC	-
persistence.existingClaim	Name of an existing PVC to use for config	nil
service.port	TCP port on which the service is exposed	5000
service.type	service type	ClusterIP
service.clusterIP	if service.type is ClusterIP and this is non-empty, sets the cluster IP of the service	nil
service.nodePort	if service.type is NodePort and this is non-empty, sets the node port of the service	nil
service.loadBalancerIP	if service.type is LoadBalancer and this is non-empty, sets the loadBalancerIP of the service	nil
service.loadBalancerSourceRanges	if service.type is LoadBalancer and this is non-empty, sets the loadBalancerSourceRanges of the service	nil
service.sessionAffinity	service session affinity	nil
service.sessionAffinityConfig	service session affinity config	nil
replicaCount	k8s replicas	1
updateStrategy	update strategy for deployment	{}
podAnnotations	Annotations for pod	{}
podLabels	Labels for pod	{}
podDisruptionBudget	Pod disruption budget	{}
resources.limits.cpu	Container requested CPU	nil
resources.limits.memory	Container requested memory	nil
priorityClassName	priorityClassName	""
storage	Storage system to use	filesystem
tlsSecretName	Name of secret for TLS certs	nil
secrets.htpasswd	Htpasswd authentication	nil
secrets.s3.accessKey	Access Key for S3 configuration	nil
secrets.s3.secretKey	Secret Key for S3 configuration	nil
secrets.s3.secretRef	The ref for an external secret containing the accessKey and secretKey keys	""
secrets.swift.username	Username for Swift configuration	nil
secrets.swift.password	Password for Swift configuration	nil
haSharedSecret	Shared secret for Registry	nil
configData	Configuration hash for docker	nil
s3.region	S3 region	nil
s3.regionEndpoint	S3 region endpoint	nil
s3.bucket	S3 bucket name	nil
s3.rootdirectory	S3 prefix that is applied to allow you to segment data	nil
s3.encrypt	Store images in encrypted format	nil
s3.secure	Use HTTPS	nil
swift.authurl	Swift authurl	nil
swift.container	Swift container	nil
proxy.enabled	If true, registry will function as a proxy/mirror	false
proxy.remoteurl	Remote registry URL to proxy requests to	https://registry-1.docker.io
proxy.username	Remote registry login username	nil
proxy.password	Remote registry login password	nil
proxy.secretRef	The ref for an external secret containing the proxyUsername and proxyPassword keys	""
nodeSelector	node labels for pod assignment	{}
affinity	affinity settings	{}
tolerations	pod tolerations	[]
ingress.enabled	If true, Ingress will be created	false
ingress.annotations	Ingress annotations	{}
ingress.labels	Ingress labels	{}
ingress.path	Ingress service path	/
ingress.hosts	Ingress hostnames	[]
ingress.tls	Ingress TLS configuration (YAML)	[]
extraVolumeMounts	Additional volumeMounts to the registry container	[]
extraVolumes	Additional volumes to the pod	[]
extraEnvVars	Additional environment variables to the pod	[]

Specify each parameter using the --set key=value[,key=value] argument to helm install.

To generate htpasswd file, run this docker command: docker run --entrypoint htpasswd registry:2 -Bbn user password > ./htpasswd.