FROM python:3.9.6-alpine3.14 as base

WORKDIR /app

FROM base as builder

ENV PIP_DEFAULT_TIMEOUT=100 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PIP_NO_CACHE_DIR=1 \
    POETRY_VERSION=1.1.4

RUN apk add --no-cache gcc libffi-dev musl-dev openssl-dev rust cargo
RUN pip install "poetry==$POETRY_VERSION"
RUN python -m venv /venv

COPY pyproject.toml poetry.lock ./
RUN poetry export -f requirements.txt | /venv/bin/pip install -r /dev/stdin

COPY . .
RUN poetry build && /venv/bin/pip install dist/*.whl

FROM base as frontend

RUN apk add --no-cache curl
COPY www /www
RUN curl -sL --output elm.gz https://github.com/elm/compiler/releases/download/0.19.1/binary-for-linux-64-bit.gz \
    && gunzip elm.gz \
    && chmod +x elm \
    && cd /www \
    && /app/elm make /www/src/App.elm --output /www/public/elm.js

FROM base as final

EXPOSE 8888

ENV TUTOR_PORT=8888 \
    TUTOR_DATABASE=/tutor.db \
    TUTOR_STATIC=/www

RUN apk add sqlite
COPY --from=builder /venv /venv
COPY --from=frontend /www/public /www
COPY docker-entrypoint.sh tables.sql ./
ENTRYPOINT ["./docker-entrypoint.sh"]
CMD ["server"]