checkUserExists() {
  CMD=$(${MC} admin user info myminio $(head -1 $MINIO_ACCESSKEY_SECRETKEY_TMP) > /dev/null 2>&1)
  return $?
}

# createUser ($policy)
createUser() {
  POLICY=$1
  #check accessKey_and_secretKey_tmp file
  if [[ ! -f $MINIO_ACCESSKEY_SECRETKEY_TMP ]];then
    echo "credentials file does not exist"
    return 1
  fi

- Install MinIO - [MinIO Quickstart Guide](https://docs.min.io/community/minio-object-store/operations/deployments/baremetal-deploy-minio-on-redhat-linux.html)

### 2. Create a new admin user with CreateUser, DeleteUser and ConfigUpdate permissions

Use [`mc admin policy`](https://docs.min.io/community/minio-object-store/reference/minio-mc-admin/mc-admin-policy.html#command-mc.admin.policy) to create custom admin policies.