Build and Push Docker Image

This tutorial will guide you through the process of building and pushing a Docker image to the MAIA Docker registry. The Docker image will be remotely built on the cloud and pushed to the MAIA Docker registry, which is hosted at registry.cloud.cbh.kth.se. The Docker Context (Dockerfile and other necessary files) need to be located in a Git repository, which will be accessed by KANIKO to build the Docker image.

The configuration parameters for building and pushing the Docker image are set in a JSON configuration file, following the conventions described below.

git_path: "<GIT_PATH>"              # The path to the Git repository where the Docker Context is located
git_subpath: "<GIT_PATH>"          # The subpath to the Docker Context in the Git repository
git_username: "<GIT_USERNAME>"    # The username to access the Git repository
git_token: "<GIT_TOKEN>"           # The token to access the Git repository
docker_registry_secret: "<SECRET>" # Kubernetes Secret to Authenticate in the private Registry
docker_image: "<IMAGE_NAME>"       # The name of the Docker image to build
buildArgs:                         # Optional build arguments
    OPTIONAL_BUILD_ARG: "<VALUE>"
    OPTIONAL_BUILD_ARG: "<VALUE>"

Set Git Specifications

In this example, we will build our custom Jupyter Scipy Image, where it will be possible to set the Jupyter Token as an env variable PW. For more details, check the Dockerfile

%%writefile kaniko_values.yaml

docker_registry_secret: <SECRET>
pvc:
  pvc_type: <STORAGE_CLASS>
  size: "10Gi"

args:
  - "--dockerfile=Dockerfile"
  - "--context=git://github.com/kthcloud/MAIA.git"
  - "--context-sub-path=docker/demo"
  - "--destination=registry.cloud.cbh.kth.se/maia/jupyter-demo:1.2"
  - "--cache=true"
  - "--cache-dir=/cache"
  #- "--context=s3://docker-contexts/{{.Values.context_file}}"

Install Helm Chart

%%bash

helm repo add maia https://kthcloud.github.io/MAIA/
helm repo update
export KUBECONFIG=<KUBECONFIG>

#Optional: delete the previous deployment
# helm delete -n maia-admin demo-docker

helm install -n maia-admin demo-docker maia/mkg-kaniko --values kaniko_values.yaml --version 1.0.3

Log the Docker Build Job

%%bash

export KUBECONFIG=<KUBECONFIG>

kubectl logs -f -n maia-admin job/demo-docker-mkg-kaniko