Deploying a Registry

We already created an application (todo-app) and packaged it as a Docker image in the first sections of this guide. As a reminder, on the workspace server, you can find the Docker image we created by running the following command:

docker images

We need to push this image to a container registry so that it can be pulled by the Kubernetes cluster. We will use Harbor, an open-source container image registry that can be deployed on-premises. It provides a web interface, role-based access control, image vulnerability scanning, and more.

To install it, we will use the official Helm chart:

# Add the Harbor Helm repository
helm repo add harbor https://helm.goharbor.io

# Update the Helm repositories
helm repo update

# Source the variables.sh file to get the MASTER_PUBLIC_IP variable
# Optional since this is already sourced in the .bashrc
source ~/learning-helm/variables.sh

# Install Harbor using Helm
helm upgrade -i harbor harbor/harbor \
    --namespace harbor \
    --create-namespace \
    --set expose.type=nodePort \
    --set expose.nodePort.ports.http.nodePort=30002 \
    --set expose.nodePort.ports.https.nodePort=30003 \
    --set externalURL="https://$MASTER_PUBLIC_IP:30003" \
    --set expose.tls.auto.commonName=

Helm in Practice

Designing, Deploying, and Operating Kubernetes Applications at Scale

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