FROM docker.io/debian:12-slim AS build
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        ca-certificates \
        curl \
        sdkmanager \
        xz-utils \
    && rm -rf /var/lib/apt/lists/*
# https://docs.flutter.dev/release/archive
RUN curl https://storage.googleapis.com/flutter_infra_release/releases/stable/linux/flutter_linux_3.27.3-stable.tar.xz \
    | tar --no-same-owner -C /opt/ -xJ
# https://developer.android.com/tools/releases/build-tools
RUN sdkmanager \
        "build-tools;34.0.0" \
        "cmdline-tools;9.0" \
        "platform-tools" \
        "platforms;android-33" \
        "platforms;android-34" \
        "platforms;android-35"
# https://gradle.org/releases/
RUN curl -Lo /gradle.zip \
    'https://services.gradle.org/distributions/gradle-8.12.1-bin.zip'

FROM docker.io/debian:12-slim
ENV DEBIAN_FRONTEND=noninteractive
RUN touch /.dockerenv
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        curl \
        git \
        openjdk-17-jdk-headless \
        unzip \
    && rm -rf /var/lib/apt/lists/*
COPY --from=build /opt/ /opt/
ENV GRADLE_ZIP=/gradle.zip
COPY --from=build /gradle.zip "$GRADLE_ZIP"
ENV PATH="/opt/flutter/bin:$PATH"
RUN flutter config --android-sdk /opt/android-sdk/
RUN flutter precache --android
RUN yes | flutter doctor --android-licenses
COPY entrypoint.sh /usr/local/bin/
WORKDIR /app/
ENTRYPOINT ["entrypoint.sh"]
CMD ["build", "apk"]