Tutorial: Android CI/CD with GitLab

This post details the technical steps for setting up an automated CI/CD pipeline for Android applications using GitLab and fastlane. It covers installing fastlane, initializing it for a project, creating and configuring a keystore for code signing, uploading the keystore to GitLab Secure Files, creating a `.gitlab-ci.yml` file with build and deployment jobs, and configuring Google Play integration via a service account. It also includes instructions for creating an initial app build and uploading it to the Google Play Console.