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FROM python:3.10-slim
# Create user but don't switch yet
RUN useradd -m -u 1000 user
WORKDIR /app
# Install Tesseract OCR and system dependencies as root
RUN apt-get update && \
apt-get install -y --no-install-recommends tesseract-ocr libglib2.0-0 libsm6 libxext6 libxrender-dev && \
rm -rf /var/lib/apt/lists/*
# Now switch to the non-root user
USER user
# Copy requirements.txt
COPY --chown=user Backend/requirements.txt .
# Install Python dependencies (including nltk and langdetect)
RUN pip install --no-cache-dir --upgrade -r requirements.txt
# (Re)install nltk and download punkt as user, ensuring clean install and data in user dir
RUN pip install --upgrade --force-reinstall nltk && \
python -m nltk.downloader punkt_tab
# Verify punkt is present (will print path in build logs)
RUN python -c "import nltk; print(nltk.data.find('tokenizers/punkt_tab'))"
# Set PATH for user-installed Python packages
ENV PATH="/home/user/.local/bin:${PATH}"
# Copy all backend code
COPY --chown=user Backend/ .
EXPOSE 7860
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]
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