Add DOCKERFILE

FROM python:3.12-slim AS builder

WORKDIR /app

# DB build arg: base | postgres | mongo

ARG DB=base

COPY pyproject.toml ./

RUN python -m venv .venv && \

    .venv/bin/pip install --upgrade pip setuptools wheel && \

    if [ "$DB" = "postgres" ]; then \

        .venv/bin/pip install ".[postgres]"; \

    elif [ "$DB" = "mongo" ]; then \

        .venv/bin/pip install ".[mongo]"; \

    else \

        .venv/bin/pip install "."; \

    fi

FROM python:3.12-slim AS runtime

WORKDIR /app

COPY --from=builder /app/.venv /app/.venv

COPY open_exposure_gateway/ ./open_exposure_gateway/

ENV PATH="/app/.venv/bin:$PATH"

ENV PYTHONPATH="/app"

ENV PYTHONUNBUFFERED=1

ENV PYTHONDONTWRITEBYTECODE=1

EXPOSE 8080

CMD ["uvicorn", "open_exposure_gateway.app.main:app", "--host", "0.0.0.0", "--port", "8080"]