I have php7.2 and composer installed via apt-get

When I try to install Magento 2.3 via composer... composer create-project --repository=https://repo.magento.com/ magento/projec t-community-edition

I have this issue:

our requirements could not be resolved to an installable set of packages. Problem 1

    - magento/inventory-composer-installer 1.0.3 requires composer-plugin-api ^1.1 -> no matching package found.
    - magento/product-community-edition 2.3.0 requires magento/inventory-composer-metapackage ^1.0.3 -> satisfiable
 by magento/inventory-composer-metapackage[1.0.3].
    - magento/inventory-composer-metapackage 1.0.3 requires magento/inventory-composer-installer ^1.0.3 -> satisfia
ble by magento/inventory-composer-installer[1.0.3].
    - Installation request for magento/product-community-edition 2.3.0 -> satisfiable by magento/product-community-

Potential causes:


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