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Dalton Hubble 2016-12-03 22:43:32 -08:00
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# Private Docker Registry in Kubernetes
Kubernetes offers an optional private Docker registry addon, which you can turn
on when you bring up a cluster or install later. This gives you a place to
store truly private Docker images for your cluster.
## How it works
The private registry runs as a `Pod` in your cluster. It does not currently
support SSL or authentication, which triggers Docker's "insecure registry"
logic. To work around this, we run a proxy on each node in the cluster,
exposing a port onto the node (via a hostPort), which Docker accepts as
"secure", since it is accessed by `localhost`.
## Turning it on
Some cluster installs (e.g. GCE) support this as a cluster-birth flag. The
`ENABLE_CLUSTER_REGISTRY` variable in `cluster/gce/config-default.sh` governs
whether the registry is run or not. To set this flag, you can specify
`KUBE_ENABLE_CLUSTER_REGISTRY=true` when running `kube-up.sh`. If your cluster
does not include this flag, the following steps should work. Note that some of
this is cloud-provider specific, so you may have to customize it a bit.
### Make some storage
The primary job of the registry is to store data. To do that we have to decide
where to store it. For cloud environments that have networked storage, we can
use Kubernetes's `PersistentVolume` abstraction. The following template is
expanded by `salt` in the GCE cluster turnup, but can easily be adapted to
other situations:
<!-- BEGIN MUNGE: EXAMPLE registry-pv.yaml.in -->
```yaml
kind: PersistentVolume
apiVersion: v1
metadata:
name: kube-system-kube-registry-pv
labels:
kubernetes.io/cluster-service: "true"
spec:
{% if pillar.get('cluster_registry_disk_type', '') == 'gce' %}
capacity:
storage: {{ pillar['cluster_registry_disk_size'] }}
accessModes:
- ReadWriteOnce
gcePersistentDisk:
pdName: "{{ pillar['cluster_registry_disk_name'] }}"
fsType: "ext4"
{% endif %}
```
<!-- END MUNGE: EXAMPLE registry-pv.yaml.in -->
If, for example, you wanted to use NFS you would just need to change the
`gcePersistentDisk` block to `nfs`. See
[here](../../../docs/user-guide/volumes.md) for more details on volumes.
Note that in any case, the storage (in the case the GCE PersistentDisk) must be
created independently - this is not something Kubernetes manages for you (yet).
### I don't want or don't have persistent storage
If you are running in a place that doesn't have networked storage, or if you
just want to kick the tires on this without committing to it, you can easily
adapt the `ReplicationController` specification below to use a simple
`emptyDir` volume instead of a `persistentVolumeClaim`.
## Claim the storage
Now that the Kubernetes cluster knows that some storage exists, you can put a
claim on that storage. As with the `PersistentVolume` above, you can start
with the `salt` template:
<!-- BEGIN MUNGE: EXAMPLE registry-pvc.yaml.in -->
```yaml
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
name: kube-registry-pvc
namespace: kube-system
labels:
kubernetes.io/cluster-service: "true"
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: {{ pillar['cluster_registry_disk_size'] }}
```
<!-- END MUNGE: EXAMPLE registry-pvc.yaml.in -->
This tells Kubernetes that you want to use storage, and the `PersistentVolume`
you created before will be bound to this claim (unless you have other
`PersistentVolumes` in which case those might get bound instead). This claim
gives you the right to use this storage until you release the claim.
## Run the registry
Now we can run a Docker registry:
<!-- BEGIN MUNGE: EXAMPLE registry-rc.yaml -->
```yaml
apiVersion: v1
kind: ReplicationController
metadata:
name: kube-registry-v0
namespace: kube-system
labels:
k8s-app: kube-registry
version: v0
kubernetes.io/cluster-service: "true"
spec:
replicas: 1
selector:
k8s-app: kube-registry
version: v0
template:
metadata:
labels:
k8s-app: kube-registry
version: v0
kubernetes.io/cluster-service: "true"
spec:
containers:
- name: registry
image: registry:2
resources:
limits:
cpu: 100m
memory: 100Mi
env:
- name: REGISTRY_HTTP_ADDR
value: :5000
- name: REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY
value: /var/lib/registry
volumeMounts:
- name: image-store
mountPath: /var/lib/registry
ports:
- containerPort: 5000
name: registry
protocol: TCP
volumes:
- name: image-store
persistentVolumeClaim:
claimName: kube-registry-pvc
```
<!-- END MUNGE: EXAMPLE registry-rc.yaml -->
## Expose the registry in the cluster
Now that we have a registry `Pod` running, we can expose it as a Service:
<!-- BEGIN MUNGE: EXAMPLE registry-svc.yaml -->
```yaml
apiVersion: v1
kind: Service
metadata:
name: kube-registry
namespace: kube-system
labels:
k8s-app: kube-registry
kubernetes.io/cluster-service: "true"
kubernetes.io/name: "KubeRegistry"
spec:
selector:
k8s-app: kube-registry
ports:
- name: registry
port: 5000
protocol: TCP
```
<!-- END MUNGE: EXAMPLE registry-svc.yaml -->
## Expose the registry on each node
Now that we have a running `Service`, we need to expose it onto each Kubernetes
`Node` so that Docker will see it as `localhost`. We can load a `Pod` on every
node by dropping a YAML file into the kubelet config directory
(/etc/kubernetes/manifests by default).
<!-- BEGIN MUNGE: EXAMPLE ../../saltbase/salt/kube-registry-proxy/kube-registry-proxy.yaml -->
```yaml
apiVersion: v1
kind: Pod
metadata:
name: kube-registry-proxy
namespace: kube-system
spec:
containers:
- name: kube-registry-proxy
image: gcr.io/google_containers/kube-registry-proxy:0.3
resources:
limits:
cpu: 100m
memory: 50Mi
env:
- name: REGISTRY_HOST
value: kube-registry.kube-system.svc.cluster.local
- name: REGISTRY_PORT
value: "5000"
- name: FORWARD_PORT
value: "5000"
ports:
- name: registry
containerPort: 5000
hostPort: 5000
```
<!-- END MUNGE: EXAMPLE ../../saltbase/salt/kube-registry-proxy/kube-registry-proxy.yaml -->
This ensures that port 5000 on each node is directed to the registry `Service`.
You should be able to verify that it is running by hitting port 5000 with a web
browser and getting a 404 error:
```console
$ curl localhost:5000
404 page not found
```
## Using the registry
To use an image hosted by this registry, simply say this in your `Pod`'s
`spec.containers[].image` field:
```yaml
image: localhost:5000/user/container
```
Before you can use the registry, you have to be able to get images into it,
though. If you are building an image on your Kubernetes `Node`, you can spell
out `localhost:5000` when you build and push. More likely, though, you are
building locally and want to push to your cluster.
You can use `kubectl` to set up a port-forward from your local node to a
running Pod:
```console
$ POD=$(kubectl get pods --namespace kube-system -l k8s-app=kube-registry \
-o template --template '{{range .items}}{{.metadata.name}} {{.status.phase}}{{"\n"}}{{end}}' \
| grep Running | head -1 | cut -f1 -d' ')
$ kubectl port-forward --namespace kube-system $POD 5000:5000 &
```
Now you can build and push images on your local computer as
`localhost:5000/yourname/container` and those images will be available inside
your kubernetes cluster with the same name.
# More Extensions
- [Use GCS as storage backend](gcs/README.md)
- [Enable TLS/SSL](tls/README.md)
- [Enable Authentication](auth/README.md)
## Future improvements
* Allow port-forwarding to a Service rather than a pod (#15180)
[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/cluster/addons/registry/README.md?pixel)]()

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# Enable Authentication with Htpasswd for Kube-Registry
Docker registry support a few authentication providers. Full list of supported provider can be found [here](https://docs.docker.com/registry/configuration/#auth). This document describes how to enable authentication with htpasswd for kube-registry.
### Prepare Htpasswd Secret
Please generate your own htpasswd file. Assuming the file you generated is `htpasswd`.
Creating secret to hold htpasswd...
```console
$ kubectl --namespace=kube-system create secret generic registry-auth-secret --from-file=htpasswd=htpasswd
```
### Run Registry
Please be noted that this sample rc is using emptyDir as storage backend for simplicity.
<!-- BEGIN MUNGE: EXAMPLE registry-auth-rc.yaml -->
```yaml
apiVersion: v1
kind: ReplicationController
metadata:
name: kube-registry-v0
namespace: kube-system
labels:
k8s-app: kube-registry
version: v0
# kubernetes.io/cluster-service: "true"
spec:
replicas: 1
selector:
k8s-app: kube-registry
version: v0
template:
metadata:
labels:
k8s-app: kube-registry
version: v0
# kubernetes.io/cluster-service: "true"
spec:
containers:
- name: registry
image: registry:2
resources:
# keep request = limit to keep this container in guaranteed class
limits:
cpu: 100m
memory: 100Mi
requests:
cpu: 100m
memory: 100Mi
env:
- name: REGISTRY_HTTP_ADDR
value: :5000
- name: REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY
value: /var/lib/registry
- name: REGISTRY_AUTH_HTPASSWD_REALM
value: basic_realm
- name: REGISTRY_AUTH_HTPASSWD_PATH
value: /auth/htpasswd
volumeMounts:
- name: image-store
mountPath: /var/lib/registry
- name: auth-dir
mountPath: /auth
ports:
- containerPort: 5000
name: registry
protocol: TCP
volumes:
- name: image-store
emptyDir: {}
- name: auth-dir
secret:
secretName: registry-auth-secret
```
<!-- END MUNGE: EXAMPLE registry-auth-rc.yaml -->
No changes are needed for other components (kube-registry service and proxy).
### To Verify
Setup proxy or port-forwarding to the kube-registry. Image push/pull should fail without authentication. Then use `docker login` to authenticate with kube-registry and see if it works.
### Configure Nodes to Authenticate with Kube-Registry
By default, nodes assume no authentication is required by kube-registry. Without authentication, nodes cannot pull images from kube-registry. To solve this, more documentation can be found [Here](https://github.com/kubernetes/kubernetes/blob/master/docs/user-guide/images.md#configuring-nodes-to-authenticate-to-a-private-repository)
[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/cluster/addons/registry/auth/README.md?pixel)]()

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apiVersion: v1
kind: ReplicationController
metadata:
name: kube-registry-v0
namespace: kube-system
labels:
k8s-app: kube-registry
version: v0
# kubernetes.io/cluster-service: "true"
spec:
replicas: 1
selector:
k8s-app: kube-registry
version: v0
template:
metadata:
labels:
k8s-app: kube-registry
version: v0
# kubernetes.io/cluster-service: "true"
spec:
containers:
- name: registry
image: registry:2
resources:
# keep request = limit to keep this container in guaranteed class
limits:
cpu: 100m
memory: 100Mi
requests:
cpu: 100m
memory: 100Mi
env:
- name: REGISTRY_HTTP_ADDR
value: :5000
- name: REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY
value: /var/lib/registry
- name: REGISTRY_AUTH_HTPASSWD_REALM
value: basic_realm
- name: REGISTRY_AUTH_HTPASSWD_PATH
value: /auth/htpasswd
volumeMounts:
- name: image-store
mountPath: /var/lib/registry
- name: auth-dir
mountPath: /auth
ports:
- containerPort: 5000
name: registry
protocol: TCP
volumes:
- name: image-store
emptyDir: {}
- name: auth-dir
secret:
secretName: registry-auth-secret

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# Kube-Registry with GCS storage backend
Besides local file system, docker registry also supports a number of cloud storage backends. Full list of supported backend can be found [here](https://docs.docker.com/registry/configuration/#storage). This document describes how to enable GCS for kube-registry as storage backend.
A few preparation steps are needed.
1. Create a bucket named kube-registry in GCS.
1. Create a service account for GCS access and create key file in json format. Detail instruction can be found [here](https://cloud.google.com/storage/docs/authentication#service_accounts).
### Pack Keyfile into a Secret
Assuming you have downloaded the keyfile as `keyfile.json`. Create secret with the `keyfile.json`...
```console
$ kubectl --namespace=kube-system create secret generic gcs-key-secret --from-file=keyfile=keyfile.json
```
### Run Registry
<!-- BEGIN MUNGE: EXAMPLE registry-gcs-rc.yaml -->
```yaml
apiVersion: v1
kind: ReplicationController
metadata:
name: kube-registry-v0
namespace: kube-system
labels:
k8s-app: kube-registry
version: v0
# kubernetes.io/cluster-service: "true"
spec:
replicas: 1
selector:
k8s-app: kube-registry
version: v0
template:
metadata:
labels:
k8s-app: kube-registry
version: v0
# kubernetes.io/cluster-service: "true"
spec:
containers:
- name: registry
image: registry:2
resources:
# keep request = limit to keep this container in guaranteed class
limits:
cpu: 100m
memory: 100Mi
requests:
cpu: 100m
memory: 100Mi
env:
- name: REGISTRY_HTTP_ADDR
value: :5000
- name: REGISTRY_STORAGE
value: gcs
- name: REGISTRY_STORAGE_GCS_BUCKET
value: kube-registry
- name: REGISTRY_STORAGE_GCS_KEYFILE
value: /gcs/keyfile
ports:
- containerPort: 5000
name: registry
protocol: TCP
volumeMounts:
- name: gcs-key
mountPath: /gcs
volumes:
- name: gcs-key
secret:
secretName: gcs-key-secret
```
<!-- END MUNGE: EXAMPLE registry-gcs-rc.yaml -->
No changes are needed for other components (kube-registry service and proxy).
[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/cluster/addons/registry/gcs/README.md?pixel)]()

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apiVersion: v1
kind: ReplicationController
metadata:
name: kube-registry-v0
namespace: kube-system
labels:
k8s-app: kube-registry
version: v0
# kubernetes.io/cluster-service: "true"
spec:
replicas: 1
selector:
k8s-app: kube-registry
version: v0
template:
metadata:
labels:
k8s-app: kube-registry
version: v0
# kubernetes.io/cluster-service: "true"
spec:
containers:
- name: registry
image: registry:2
resources:
# keep request = limit to keep this container in guaranteed class
limits:
cpu: 100m
memory: 100Mi
requests:
cpu: 100m
memory: 100Mi
env:
- name: REGISTRY_HTTP_ADDR
value: :5000
- name: REGISTRY_STORAGE
value: gcs
- name: REGISTRY_STORAGE_GCS_BUCKET
value: kube-registry
- name: REGISTRY_STORAGE_GCS_KEYFILE
value: /gcs/keyfile
ports:
- containerPort: 5000
name: registry
protocol: TCP
volumeMounts:
- name: gcs-key
mountPath: /gcs
volumes:
- name: gcs-key
secret:
secretName: gcs-key-secret

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# Copyright 2016 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
FROM haproxy:1.5
MAINTAINER Muhammed Uluyol <uluyol@google.com>
RUN apt-get update && apt-get install -y dnsutils
ADD proxy.conf.insecure.in /proxy.conf.in
ADD run_proxy.sh /usr/bin/run_proxy
RUN chown root:users /usr/bin/run_proxy
RUN chmod 755 /usr/bin/run_proxy
CMD ["/usr/bin/run_proxy"]

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# Copyright 2016 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
.PHONY: build push vet test clean
TAG = 0.3
REPO = gcr.io/google_containers/kube-registry-proxy
build:
docker build -t $(REPO):$(TAG) .
push:
gcloud docker -- push $(REPO):$(TAG)

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global
maxconn 1024
defaults
mode http
retries 3
option redispatch
timeout client 1s
timeout server 5s
timeout connect 5s
frontend forwarder
bind *:%FWDPORT%
default_backend registry
backend registry
server kube-registry %HOST%:%PORT% ssl verify required ca-file %CA_FILE%

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global
maxconn 1024
defaults
mode http
retries 3
option redispatch
timeout client 1s
timeout server 5s
timeout connect 5s
frontend forwarder
bind *:%FWDPORT%
default_backend registry
backend registry
server kube-registry %HOST%:%PORT%

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#!/usr/bin/env bash
# Copyright 2015 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
REGISTRY_HOST=${REGISTRY_HOST:?no host}
REGISTRY_PORT=${REGISTRY_PORT:-5000}
REGISTRY_CA=${REGISTRY_CA:-/var/run/secrets/kubernetes.io/serviceaccount/ca.crt}
FORWARD_PORT=${FORWARD_PORT:-5000}
sed -e "s/%HOST%/$REGISTRY_HOST/g" \
-e "s/%PORT%/$REGISTRY_PORT/g" \
-e "s/%FWDPORT%/$FORWARD_PORT/g" \
-e "s|%CA_FILE%|$REGISTRY_CA|g" \
</proxy.conf.in >/proxy.conf
# wait for registry to come online
while ! host "$REGISTRY_HOST" &>/dev/null; do
printf "waiting for %s to come online\n" "$REGISTRY_HOST"
sleep 1
done
printf "starting proxy\n"
exec haproxy -f /proxy.conf "$@"

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kind: PersistentVolume
apiVersion: v1
metadata:
name: kube-system-kube-registry-pv
labels:
kubernetes.io/cluster-service: "true"
spec:
{% if pillar.get('cluster_registry_disk_type', '') == 'gce' %}
capacity:
storage: {{ pillar['cluster_registry_disk_size'] }}
accessModes:
- ReadWriteOnce
gcePersistentDisk:
pdName: "{{ pillar['cluster_registry_disk_name'] }}"
fsType: "ext4"
{% endif %}

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kind: PersistentVolumeClaim
apiVersion: v1
metadata:
name: kube-registry-pvc
namespace: kube-system
labels:
kubernetes.io/cluster-service: "true"
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: {{ pillar['cluster_registry_disk_size'] }}

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apiVersion: v1
kind: ReplicationController
metadata:
name: kube-registry-v0
namespace: kube-system
labels:
k8s-app: kube-registry
version: v0
kubernetes.io/cluster-service: "true"
spec:
replicas: 1
selector:
k8s-app: kube-registry
version: v0
template:
metadata:
labels:
k8s-app: kube-registry
version: v0
kubernetes.io/cluster-service: "true"
spec:
containers:
- name: registry
image: registry:2.5.1
resources:
# keep request = limit to keep this container in guaranteed class
limits:
cpu: 100m
memory: 100Mi
requests:
cpu: 100m
memory: 100Mi
env:
- name: REGISTRY_HTTP_ADDR
value: :5000
- name: REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY
value: /var/lib/registry
volumeMounts:
- name: image-store
mountPath: /var/lib/registry
ports:
- containerPort: 5000
name: registry
protocol: TCP
volumes:
- name: image-store
persistentVolumeClaim:
claimName: kube-registry-pvc

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apiVersion: v1
kind: Service
metadata:
name: kube-registry
namespace: kube-system
labels:
k8s-app: kube-registry
kubernetes.io/cluster-service: "true"
kubernetes.io/name: "KubeRegistry"
spec:
selector:
k8s-app: kube-registry
ports:
- name: registry
port: 5000
protocol: TCP

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# Enable TLS for Kube-Registry
This document describes how to enable TLS for kube-registry. Before you start, please check if you have all the prerequisite:
- A domain for kube-registry. Assuming it is ` myregistrydomain.com`.
- Domain certificate and key. Assuming they are `domain.crt` and `domain.key`
### Pack domain.crt and domain.key into a Secret
```console
$ kubectl --namespace=kube-system create secret generic registry-tls-secret --from-file=domain.crt=domain.crt --from-file=domain.key=domain.key
```
### Run Registry
Please be noted that this sample rc is using emptyDir as storage backend for simplicity.
<!-- BEGIN MUNGE: EXAMPLE registry-tls-rc.yaml -->
```yaml
apiVersion: v1
kind: ReplicationController
metadata:
name: kube-registry-v0
namespace: kube-system
labels:
k8s-app: kube-registry
version: v0
# kubernetes.io/cluster-service: "true"
spec:
replicas: 1
selector:
k8s-app: kube-registry
version: v0
template:
metadata:
labels:
k8s-app: kube-registry
version: v0
# kubernetes.io/cluster-service: "true"
spec:
containers:
- name: registry
image: registry:2
resources:
# keep request = limit to keep this container in guaranteed class
limits:
cpu: 100m
memory: 100Mi
requests:
cpu: 100m
memory: 100Mi
env:
- name: REGISTRY_HTTP_ADDR
value: :5000
- name: REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY
value: /var/lib/registry
- name: REGISTRY_HTTP_TLS_CERTIFICATE
value: /certs/domain.crt
- name: REGISTRY_HTTP_TLS_KEY
value: /certs/domain.key
volumeMounts:
- name: image-store
mountPath: /var/lib/registry
- name: cert-dir
mountPath: /certs
ports:
- containerPort: 5000
name: registry
protocol: TCP
volumes:
- name: image-store
emptyDir: {}
- name: cert-dir
secret:
secretName: registry-tls-secret
```
<!-- END MUNGE: EXAMPLE registry-tls-rc.yaml -->
### Expose External IP for Kube-Registry
Modify the default kube-registry service to `LoadBalancer` type and point the DNS record of `myregistrydomain.com` to the service external ip.
<!-- BEGIN MUNGE: EXAMPLE registry-tls-svc.yaml -->
```yaml
apiVersion: v1
kind: Service
metadata:
name: kube-registry
namespace: kube-system
labels:
k8s-app: kube-registry
# kubernetes.io/cluster-service: "true"
kubernetes.io/name: "KubeRegistry"
spec:
selector:
k8s-app: kube-registry
type: LoadBalancer
ports:
- name: registry
port: 5000
protocol: TCP
```
<!-- END MUNGE: EXAMPLE registry-tls-svc.yaml -->
### To Verify
Now you should be able to access your kube-registry from another docker host.
```console
docker pull busybox
docker tag busybox myregistrydomain.com:5000/busybox
docker push myregistrydomain.com:5000/busybox
docker pull myregistrydomain.com:5000/busybox
```
[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/cluster/addons/registry/tls/README.md?pixel)]()

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vendor/k8s.io/kubernetes/cluster/addons/registry/tls/registry-tls-rc.yaml generated vendored Normal file
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apiVersion: v1
kind: ReplicationController
metadata:
name: kube-registry-v0
namespace: kube-system
labels:
k8s-app: kube-registry
version: v0
# kubernetes.io/cluster-service: "true"
spec:
replicas: 1
selector:
k8s-app: kube-registry
version: v0
template:
metadata:
labels:
k8s-app: kube-registry
version: v0
# kubernetes.io/cluster-service: "true"
spec:
containers:
- name: registry
image: registry:2
resources:
# keep request = limit to keep this container in guaranteed class
limits:
cpu: 100m
memory: 100Mi
requests:
cpu: 100m
memory: 100Mi
env:
- name: REGISTRY_HTTP_ADDR
value: :5000
- name: REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY
value: /var/lib/registry
- name: REGISTRY_HTTP_TLS_CERTIFICATE
value: /certs/domain.crt
- name: REGISTRY_HTTP_TLS_KEY
value: /certs/domain.key
volumeMounts:
- name: image-store
mountPath: /var/lib/registry
- name: cert-dir
mountPath: /certs
ports:
- containerPort: 5000
name: registry
protocol: TCP
volumes:
- name: image-store
emptyDir: {}
- name: cert-dir
secret:
secretName: registry-tls-secret

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apiVersion: v1
kind: Service
metadata:
name: kube-registry
namespace: kube-system
labels:
k8s-app: kube-registry
# kubernetes.io/cluster-service: "true"
kubernetes.io/name: "KubeRegistry"
spec:
selector:
k8s-app: kube-registry
type: LoadBalancer
ports:
- name: registry
port: 5000
protocol: TCP