To secure composer credentials you want to remove the auth.json file from the project repository.

To secure composer credentials you want to remove the auth.json file from the project repository.
How do you do that?
A. The build phase runs on a separate server and variables are not available there, you must keep the credentials in the auth.json file, but you can replace the password with its hash
B. Add the env:COMPOSER_AUTH variable on the project level and make it visible on the build phase
C. Put the composer credentials into /mnt/build/.config/composer/auth.json
D. Add the COMPOSER_AUTH variable with the sensitive option enabled

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