FROM openjdk:11
COPY --from=python:3.7 / /

WORKDIR /app/
ADD ./app /app/

RUN set -ex \
    && pip3 install --no-cache-dir -r /app/requirements.txt \
    && chmod +x /app/mallet/bin/* \
    && apt-get update \
    && apt install ant -y \
    && rm -rf /var/lib/apt/lists/* /var/cache/apt/* \
    && cd /app/mallet/ \
    && ant

ENTRYPOINT ["python3", "clustering_server.py"]

EXPOSE 5000