I'm working on a gitlab-ci pipeline to automate build, sign "apk" and deploy to the play store. The pipeline work fine but the two files ".jks" to sign the "apk" and the ".p12" for my Google cloud platform service are now in my repository and it's not a secure way to do it. What I want to do is to put this two files ".jks and .p12" as a gitlab-ci variable to avoid putting this files in my repo...