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# Use Python 3.9 slim as the base image
FROM python:3.9-slim

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    software-properties-common \
    git \
    libgl1-mesa-glx \
    libglib2.0-0 \
    espeak \
    && rm -rf /var/lib/apt/lists/*

# Create a directory for MediaPipe models and set permissions
RUN mkdir -p /app/mediapipe_models && chmod -R 777 /app/mediapipe_models

# Set environment variable to redirect MediaPipe model downloads
ENV MEDIAPIPE_CACHE_DIR=/app/mediapipe_models

# Copy requirements and source code
COPY requirements.txt ./
COPY src/ ./src/

# Install Python dependencies
RUN pip3 install --no-cache-dir -r requirements.txt

# Create a non-root user and set ownership
RUN useradd -m appuser && chown -R appuser:appuser /app
USER appuser

# Expose Streamlit port
EXPOSE 8501

# Healthcheck for Hugging Face Spaces
HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health

# Run Streamlit
ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]