FROM python:3.11-slim-bookworm AS install-dependencies

# create and set main app directory
WORKDIR /app

# set virtual env path
ENV \
    PATH=/venv/bin:$PATH

# install sys libs and create virtual env
RUN \
    apt update && \
    apt install -y gcc libpq-dev python3-dev && \
    python -m venv /venv

# copy app files to /app directory
COPY ./app/requirements.txt .

# install dependencies && cleanup
RUN \
    pip install -r requirements.txt


FROM python:3.11-slim-bookworm

# set virtual env path
ENV \
    PATH=/venv/bin:$PATH

# does nothing, for documentation only
EXPOSE 3000

# create and set main app directory
WORKDIR /app

COPY --from=install-dependencies /venv /venv

# copy app files to /app directory
COPY ./app .

RUN ls -alF /
RUN ls -alF /venv
RUN ls -alF /venv/bin
RUN ls -alF /app


# start shell script when container starts
ENTRYPOINT ["/app/run.sh"]

# no additional parameters to run.sh script
CMD []