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# Dockerfile for Hugging Face Spaces - Streamlit App
FROM python:3.9-slim
# Create user for security
RUN useradd -m -u 1000 user
USER user
# Set environment variables
ENV HOME=/home/user \
PATH=/home/user/.local/bin:$PATH \
PYTHONPATH=$HOME/app \
PYTHONUNBUFFERED=1
# Set working directory
WORKDIR $HOME/app
# Copy requirements first for better Docker layer caching
COPY --chown=user:user requirements.txt .
# Install Python dependencies
RUN pip install --no-cache-dir --upgrade pip && \
pip install --no-cache-dir --user -r requirements.txt
# Copy the application files
COPY --chown=user:user . .
# Create necessary directories
RUN mkdir -p $HOME/.streamlit
# Create Streamlit config
RUN echo "\
[general]\n\
email = \"\"\n\
" > $HOME/.streamlit/credentials.toml
RUN echo "\
[server]\n\
headless = true\n\
enableCORS = false\n\
enableXsrfProtection = false\n\
port = 7860\n\
" > $HOME/.streamlit/config.toml
# Expose the port that Hugging Face Spaces expects
EXPOSE 7860
# Health check
HEALTHCHECK CMD curl --fail http://localhost:7860/_stcore/health
# Command to run the Streamlit app
CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"]
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