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| FROM python:3.12-slim AS builder | |
| WORKDIR /app | |
| # Install system dependencies needed for pymupdf and psycopg2 | |
| RUN apt-get update && apt-get install -y --no-install-recommends \ | |
| libgl1 \ | |
| libglib2.0-0 \ | |
| gcc \ | |
| libpq-dev \ | |
| && rm -rf /var/lib/apt/lists/* | |
| # Copy and install Python dependencies | |
| COPY backend/requirements.txt . | |
| RUN pip install --no-cache-dir --upgrade pip && \ | |
| pip install --no-cache-dir -r requirements.txt | |
| # ───────────────────────────────────────────────────────────────────── | |
| FROM python:3.12-slim | |
| WORKDIR /app | |
| # Copy only runtime system deps (pymupdf needs libgl, libglib) and curl for healthcheck | |
| RUN apt-get update && apt-get install -y --no-install-recommends \ | |
| libgl1 \ | |
| libglib2.0-0 \ | |
| libpq5 \ | |
| curl \ | |
| && rm -rf /var/lib/apt/lists/* | |
| # Copy Python packages from builder | |
| COPY --from=builder /usr/local/lib/python3.12/site-packages /usr/local/lib/python3.12/site-packages | |
| COPY --from=builder /usr/local/bin /usr/local/bin | |
| # Copy application code | |
| COPY backend/ . | |
| # Create directories for uploads and fastembed cache | |
| RUN mkdir -p /app/uploads /app/fastembed_cache | |
| # Expose the application port | |
| EXPOSE 8000 | |
| # Run the FastAPI application with uvicorn | |
| # Uses UVICORN_WORKERS environment variable (defaults to 4) for production concurrency | |
| CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "4"] | |