FROM python:3.10.2-bullseye as base

ENV PYTHONFAULTHANDLER=1 \
    PYTHONHASHSEED=random \
    PYTHONUNBUFFERED=1

WORKDIR /app

FROM base as builder

ENV PIP_DEFAULT_TIMEOUT=100 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PIP_NO_CACHE_DIR=1 \
    POETRY_VERSION=1.1.12


# Create a /venv directory & environment.
# This directory will be copied into the final stage of docker build.
RUN python -m venv /venv

# Copy only the necessary files to build/install the python package
COPY pyproject.toml poetry.lock /app/
COPY mwmbl /app/mwmbl

# Working directory is /app
# Use pip to install the mwmbl python package
# PEP 518, PEP 517 and others have allowed for a standardized python packaging API, which allows
# pip to be able to install poetry packages.
# en-core-web-sm requires a compatible version of spacy
RUN /venv/bin/pip install pip wheel --upgrade && \
    /venv/bin/pip install . && \
    /venv/bin/python -m spacy download en_core_web_sm-3.2.0 --direct && \
    /venv/bin/python -m spacy validate

FROM base as final

RUN apt update && apt install postgresql-client

# Copy only the required /venv directory from the builder image that contains mwmbl and its dependencies
COPY --from=builder /venv /venv

ADD nginx.conf.sigil /app

# Set up a volume where the data will live
VOLUME ["/data"]

EXPOSE 5000

# Using the mwmbl-tinysearchengine binary/entrypoint which comes packaged with mwmbl
CMD ["/venv/bin/mwmbl-tinysearchengine", "--num-pages", "10240000", "--background", "--data", "/app/storage"]