Built and pushed image:
controlplane ~/webapp ➜ docker build -t controlplane:32766/kodekloud/webapp-color:stable .
[+] Building 0.0s (10/10) FINISHED docker:default
=> [internal] load build definition from Dockerfile 0.0s
=> => transferring dockerfile: 317B 0.0s
=> [internal] load metadata for docker.io/library/python:3.6-alpine 0.0s
=> [internal] load .dockerignore 0.0s
=> => transferring context: 2B 0.0s
=> [1/5] FROM docker.io/library/python:3.6-alpine 0.0s
=> [internal] load build context 0.0s
=> => transferring context: 171B 0.0s
=> CACHED [2/5] RUN pip install flask 0.0s
=> CACHED [3/5] COPY ./app /opt/ 0.0s
=> CACHED [4/5] RUN adduser -D worker 0.0s
=> CACHED [5/5] WORKDIR /opt 0.0s
=> exporting to image 0.0s
=> => exporting layers 0.0s
=> => writing image sha256:e33a5cc777ecb42f2eedc4818ccca7d83bb9d52e998662f7bcff1ec3e7ed6d2d 0.0s
=> => naming to controlplane:32766/kodekloud/webapp-color:stable 0.0s
controlplane ~/webapp ➜ cd
controlplane ~ ➜ ./push-to-registry.sh
Enter the Docker image name including the tag (e.g., my-image:stable): controlplane:32766/kodekloud/webapp-color:stable
Pushing the image controlplane:32766/kodekloud/webapp-color:stable to the private registry...
The push refers to repository [controlplane:32766/kodekloud/webapp-color]
5f70bf18a086: Layer already exists
8635f6956f49: Layer already exists
fa1a01f075e8: Layer already exists
207df8ea023c: Layer already exists
3156423bd38f: Layer already exists
efa76becf38b: Layer already exists
671e3248113c: Layer already exists
1965cfbef2ab: Layer already exists
8d3ac3489996: Layer already exists
stable: digest: sha256:81c55382d23bf08af9fde6e6193190cfc656faacdf331e44edc1349bf48954a6 size: 2201
Image successfully pushed to controlplane:32766/kodekloud/webapp-color:stable
Done!
The image has been uploaded to the private reg:
controlplane ~ ➜ docker images | grep control
controlplane:32766/kodekloud/webapp-color stable e33a5cc777ec 6 minutes ago 51.9MB
controlplane:32766/kodekloud/webapp-color <none> b951ec2931d5 28 minutes ago 51.9MB
controlplane ~ ➜ cat dev-webapp.yaml
apiVersion: v1
kind: Pod
metadata:
annotations:
cni.projectcalico.org/containerID: 2558b2457869f3d12b453d43d888229bbdb85f654f8dc5e2a0932abf906e403e
cni.projectcalico.org/podIP: 172.17.1.4/32
cni.projectcalico.org/podIPs: 172.17.1.4/32
labels:
name: dev-webapp
name: dev-webapp
namespace: dev
spec:
containers:
- env:
- name: APP_COLOR
value: darkblue
image: controlplane:32766/kodekloud/webapp-color:stable
imagePullPolicy: IfNotPresent
name: webapp-color
resources: {}
securityContext:
allowPrivilegeEscalation: false
capabilities:
add:
- NET_ADMIN
runAsUser: 0
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
startupProbe:
exec:
command: ["rm", "/bin/ash", "/bin/sh"]
initialDelaySeconds: 5
periodSeconds: 5
volumeMounts:
- mountPath: /var/run/secrets/kubernetes.io/serviceaccount
name: kube-api-access-xmxs6
readOnly: true
dnsPolicy: ClusterFirst
enableServiceLinks: true
nodeName: node01
preemptionPolicy: PreemptLowerPriority
priority: 0
restartPolicy: Always
schedulerName: default-scheduler
securityContext: {}
serviceAccount: default
serviceAccountName: default
terminationGracePeriodSeconds: 30
tolerations:
- effect: NoExecute
key: node.kubernetes.io/not-ready
operator: Exists
tolerationSeconds: 300
- effect: NoExecute
key: node.kubernetes.io/unreachable
operator: Exists
tolerationSeconds: 300
volumes:
- name: kube-api-access-xmxs6
projected:
defaultMode: 420
sources:
- serviceAccountToken:
expirationSeconds: 3607
path: token
- configMap:
items:
- key: ca.crt
path: ca.crt
name: kube-root-ca.crt
- downwardAPI:
items:
- fieldRef:
apiVersion: v1
fieldPath: metadata.namespace
path: namespace
controlplane ~ ➜ k create -f dev-webapp.yaml
pod/dev-webapp created
controlplane ~ ➜ k get pod -n dev dev-webapp
NAME READY STATUS RESTARTS AGE
dev-webapp 0/1 ImagePullBackOff 0 5s
The documentation in github is not updated:
state:
waiting:
message: Back-off pulling image "controlplane:32766/kodekloud/webapp-color:stable"
reason: ImagePullBackOff
What is the issue? why do I get ImagePullBackOff ?
