FROM python:3-alpine

ENV SURPRISE_ASSET_DIR=/assets
ENV ELM_VERSION=0.19.1
ENV PYTHONUNBUFFERED=1

COPY backend backend
COPY frontend frontend

ADD https://github.com/elm/compiler/releases/download/$ELM_VERSION/binary-for-linux-64-bit.gz elm.gz
RUN gunzip elm.gz && \
    chmod +x elm && \
    mv elm /bin/elm
RUN cd frontend && \
    elm make src/Main.elm --optimize --output=../backend/static/main.js

WORKDIR backend
RUN pip install -r requirements.pip
ENTRYPOINT ["flask", "run", "-h", "0.0.0.0"]