Dockerfile.backend

FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PYTHONPATH=/app/backend

WORKDIR /app
COPY pyproject.toml ./
RUN python -m pip install --upgrade pip
RUN --mount=type=cache,target=/root/.cache/pip \
    python -c "import tomllib; deps = tomllib.load(open('pyproject.toml', 'rb'))['project']['dependencies']; open('/tmp/requirements.txt', 'w').write('\n'.join(deps))" && \
    for attempt in 1 2 3; do \
      pip install --retries 10 --timeout 120 -r /tmp/requirements.txt && break; \
      if [ "$attempt" = "3" ]; then exit 1; fi; \
      echo "pip install failed; retrying ($attempt/3)"; \
      sleep 5; \
    done
COPY backend ./backend
COPY scripts ./scripts
RUN pip install --no-deps .

EXPOSE 8000
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]