This Docker image contains react-native and the Android SDK and most common packages necessary for building Android apps in a CI tool like GitLab CI.
A .gitlab-ci.yml with caching of your project's dependencies would look like this:
image: tagip/gitlab-ci-react-native-android
stages:
- build
cache:
key: ${CI_PROJECT_ID}
paths:
- android/.gradle/
build:
stage: build
script:
- yarn
- cd android && ./gradlew assembleDebug
artifacts:
paths:
- android/app/build/outputs/apk/