Out of control Memory use on Composer builds got you down?  Running out of memory on Pipelines builds?

Issue

Memory consumption issues in Composer builds.

Resolution

Consider adding the composer optimizations project, to remove legacy Symfony builds with: 

composer require zaporylie/composer-drupal-optimizations

See more information about the project: https://github.com/zaporylie/composer-drupal-optimizations

and Check out Jeff Geerlings' blog post https://www.jeffgeerling.com/blog/2018/make-composer-operations-drupal-way-faster-and-easier-on-ram