Dockerfile.api

# stage 1: build
FROM python:3.10-slim-buster AS builder

ENV VIRTUAL_ENV=/opt/venv
RUN python3 -m venv $VIRTUAL_ENV
ENV PATH="$VIRTUAL_ENV/bin:$PATH"

RUN apt-get update && \
    apt-get install -y git && \
    python3 -m pip install --upgrade pip

WORKDIR /app

COPY .git/ ./.git/
COPY .gitmodules/ .
COPY ./requirements.txt .

# define from where we need to load Optimos app
# 1) pull from the repository main branch
# RUN git submodule update --init --recursive

# 2) use local version of Optimos (under the path ./external_tools/roptimus-prime)
COPY external_tools/roptimus-prime external_tools/roptimus-prime

RUN pip install -r requirements.txt
RUN cd /app/external_tools/roptimus-prime && pip install -r requirements.txt
RUN cd /app/external_tools/roptimus-prime/ext_tools/Prosimos && pip install -r requirements.txt
RUN apt-get clean

# stage 2: run the flask app
FROM python:3.10-slim-buster

ENV VIRTUAL_ENV=/opt/venv
RUN python3 -m venv $VIRTUAL_ENV
ENV PATH="$VIRTUAL_ENV/bin:$PATH"

COPY --from=builder /opt/venv /opt/venv
COPY --from=builder /app/external_tools /app/external_tools

WORKDIR /app
COPY ./src ./src
COPY ./exts.py .
COPY ./factory.py .
COPY ./app.py .

ENV FLASK_ENV production

EXPOSE 5000
CMD ["gunicorn", "--workers=3", "--threads=3", "-b", ":5000", "app:app", "--timeout 1000"]