Edit this block in text editor before running the same.
Replace the username, password (token) and email as mentioned.

# replace user id, email, token appropriately
DOCKER_USER_ID=put-your-value-here-docker-id-example-hjrc
DOCKER_USER_EMAIL=put-your-value-here-example-user-at-gmail.com
DOCKER_USER_TOKEN=put-your-value-here-keep-it-secret

kubectl create secret docker-registry registry-camunda-cloud  \
--namespace=undefined-namespace \
--docker-server=registry.camunda.cloud \
--docker-username=${DOCKER_USER_ID} \
--docker-password=${DOCKER_USER_TOKEN} \
--docker-email=${DOCKER_USER_EMAIL}

kubectl create secret docker-registry registry-docker-hub  \
    --namespace=undefined-namespace \
    --docker-server=hub.docker.com \
    --docker-username=${DOCKER_USER_ID} \
    --docker-password=${DOCKER_USER_TOKEN} \
    --docker-email=${DOCKER_USER_EMAIL}
                

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Install elastic components - elk certs
Important: Make sure Docker Desktop app is running on your local machine.

UNAMESPACE=$UNAMESPACE envsubst < elk-makefile | sh
                

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After this, you should see secrets created in your namespace (via Project Lens UI app).
# Config => secret/elastic-certificates created
# Config => secret/elasticsearch-master-certs created
# Config => secret/elastic-jks created
###CAUTION: You may have to run the script twice. Sometimes the certs are not created on first run. Please check and proceed.

Install elastic

helm repo add elastic https://helm.elastic.co
helm repo update
helm install elasticsearch elastic/elasticsearch -n $UNAMESPACE -f elasticsearch.yaml
                

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After this, you should see Elastic pod running.
# It may take about 3 to 5 minutes for the pod to be in running state.