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:


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