Composer

Composer home

Composer home ~/.composer directory is mounted and shared from your host system to the php-fpm container. This makes possible to share Composer’s cache, and your Composer auth configuration between environments.

Change Composer version by environment

From Reward >0.2.0 it is possible to configure COMPOSER_VERSION in the .env file like this:

COMPOSER_VERSION=2

Default Composer versioning matrix by environment type:

Environment Type	Composer Version
Generic PHP	2
Magento 1	1
Magento 2	2
Laravel	2
Shopware	2
Symfony	2
WordPress	2

Change Composer version interactively inside the Reward Shell

$ reward shell
$ sudo alternatives --config composer