script (from andreaf) to auth to ibm cloud registry using ko

ko-ibmcloud

ibmcloud login
ibmcloud cr login
REGISTRY_ENDPOINT=$(ibmcloud cr info | awk '/Registry/{ print $3 }' | head -1)
 
# Create a CR token with write access
CR_TOKEN=$(ibmcloud cr token-add --readwrite --description ko_rw --non-expiring -q)
# Backup your docker config if you have one
cp ~/.docker/config.json ~/.docker/config.json.$(date +%F)
# Setup docker auth so it may talk to the CR.
echo '{"auths":{"'$REGISTRY_ENDPOINT'":{"auth":"'$(echo -n token:$CR_TOKEN | base64 -w0)'"}}}' | jq '.' > ~/.docker/config.json
# Create a CR namespace
CR_NAMESPACE=knative
ibmcloud cr namespace-add $CR_NAMESPACE
# Configure ko
KO_DOCKER_REPO=$REGISTRY_ENDPOINT/$CR_NAMESPACE