services:
  android-builder:
    build: .
    volumes:
      - ./:/project
      - gradle-cache:/home/builder/.gradle
      - android-cache:/home/builder/.android 
    working_dir: /project 
    environment:
      - ANDROID_HOME=/opt/android-sdk
      - HOME=/home/builder
      - USER=builder
    command: ["./gradlew", "build"]

volumes:
  gradle-cache:
  android-cache: