Create a registry secret in Kubernetes

create-registry-secret.sh

#!/bin/bash
rm /tmp/image-pull-secret.yaml
login_cmd=$(aws ecr get-login)
username=$(echo $login_cmd | cut -d " " -f 4)
password=$(echo $login_cmd | cut -d " " -f 6)
endpoint=$(echo $login_cmd | cut -d " " -f 9)
auth=$(echo "$username:$password" | /usr/bin/base64)

configjson="{ \"auths\": { \"${endpoint}\": { \"auth\": \"${auth}\" } } }"

kubectl create -f - << EOF
apiVersion: v1
kind: Secret
metadata:
  name: aws-ecr-registry
data:
  .dockerconfigjson: $(echo $configjson | /usr/bin/base64)
type: kubernetes.io/dockerconfigjson
EOF