use templates.

.gitlab-ci.yml

-android:
-  stage: test
-  image: jangrewe/gitlab-ci-android:latest
-  cache:
-    - key: ${CI_PROJECT_ID} 
-      paths:
-        - build
-    - key: ${CI_PROJECT_ID}
-      paths:
-        - .gradle
-  script:
-    - sed -i "s/versionCode 1/versionCode ${CI_PIPELINE_IID}/g" app/build.gradle
-    - sed -i "s/versionName \"UNKNOWN\"/versionName \"${CI_PIPELINE_IID}-${CI_COMMIT_SHORT_SHA}\"/g" app/build.gradle
-    - echo $KEYSTORE_FILE | base64 -d > my.jks
-    - ./gradlew app:assembleRelease
-      -Pandroid.injected.signing.store.file=$(pwd)/my.jks
-      -Pandroid.injected.signing.store.password=$KEYSTORE_PASSWORD
-      -Pandroid.injected.signing.key.alias=$KEY_ALIAS
-      -Pandroid.injected.signing.key.password=$KEY_PASSWORD
-    - mv app/build/outputs/apk/release/app-release.apk ${CI_PROJECT_NAME}_${CI_PIPELINE_IID}.apk
-  artifacts:
-    paths:
-      - ${CI_PROJECT_NAME}_${CI_PIPELINE_IID}.apk
-  tags:
-    - x86_64
-  only:
-    - master
-  interruptible: true
-android_publish:
-  needs: [android]
-  image: docker
-  script:
-    - cat ${CI_PROJECT_NAME}_${CI_PIPELINE_IID}.apk | docker run -i --rm -v /home/ruben/docker/fdroid:/repo alpine sh -c "cat >/repo/repo/${CI_PROJECT_NAME}_${CI_PIPELINE_IID}.apk"
-    #- docker run --rm -v /home/ruben/docker/fdroid:/repo alpine wget -O /repo/repo/${CI_PROJECT_NAME}_${CI_PIPELINE_IID}.apk https://gitlab.rubend.nl/$CI_PROJECT_PATH/-/jobs/artifacts/$CI_COMMIT_SHA/raw/${CI_PROJECT_NAME}_${CI_PIPELINE_IID}.apk?job=android
-    - docker run --rm -v /home/ruben/docker/fdroid:/repo registry.gitlab.com/fdroid/docker-executable-fdroidserver:master update -c
-    - docker run --rm -v /home/ruben/docker/fdroid:/repo registry.gitlab.com/fdroid/docker-executable-fdroidserver:master update
-    - docker run --rm -v /home/ruben/docker/fdroid:/repo registry.gitlab.com/fdroid/docker-executable-fdroidserver:master deploy
-  tags:
-     - x86_64-secure
\ No newline at end of file
+include:
+  - project: internal/templates
+    file: templates.yml