before_script:
  - apt-get update

build:bullseye:
  image: debian:bullseye-slim
  script:
    - apt-get -y install openjdk-11-jdk gradle
    - gradle build --stacktrace

build:bookworm:
  image: debian:bookworm-slim
  script:
    - apt-get -y install openjdk-17-jdk gradle
    - gradle build --stacktrace