Dockerfile.multi-stage

# stage 1: build
ARG base_image=python:3.12-slim
FROM ${base_image} AS build

WORKDIR /home/greybook

# install dependencies
RUN pip install -U pdm
ENV PDM_CHECK_UPDATE=false
COPY pyproject.toml pdm.lock ./
RUN pdm install --check --prod --no-editable

# stage 2: production
FROM ${base_image}

RUN groupadd -r greybook && useradd -r -g greybook greybook

WORKDIR /home/greybook

# copy the installed dependencies from the previous stage
COPY --from=build /home/greybook/.venv/ .venv/
ENV PATH="/home/greybook/.venv/bin:$PATH"

# copy the application source code from the previous stage
COPY greybook greybook
COPY migrations migrations
COPY uploads uploads
COPY app.py .

RUN chown -R greybook:greybook .
USER greybook

ENV FLASK_APP=app.py
ENV FLASK_CONFIG=production
ENV GREYBOOK_LOGGING_PATH=stream

EXPOSE 5000
ENTRYPOINT ["./docker-entrypoint.sh"]