Drupal 9 composer project doesn't work with less than 1.5 GB memory

[geerlingguy]

Issue Type

• Bug Report

Full console output

TASK [geerlingguy.drupal : Install dependencies with composer require (this may take a while).] ***
...
PHP Fatal error: Allowed memory size of 1610612736 bytes exhausted (tried to allocate 4096 bytes)

Summary

A Drupal 9 composer project created via composer create-project doesn't work for things like requiring additional packages without more than 1.5 GB of memory available (that's what Composer sets by default).

[geerlingguy]

related to #2050

[geerlingguy]

Thinking to do something similar to geerlingguy/ansible-role-drupal@a926c5c — just set a global env var, or add it to the geerlingguy.drupal role inclusion.