Create Dockerfile

Dockerfile

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+FROM python:3.10-slim
+
+# Set working directory
+WORKDIR /app
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+ENV MPLCONFIGDIR=/tmp/matplotlib-cache
+
+# Create cache directories
+RUN mkdir -p /tmp/voices /tmp/output $MPLCONFIGDIR && chmod 777 /tmp/voices /tmp/output $MPLCONFIGDIR
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    curl \
+    ffmpeg \
+    libsndfile1 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first for better caching
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY app.py .
+
+# Create non-root user
+RUN useradd -m -u 1000 user
+USER user
+
+# Expose port
+EXPOSE 7860
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:7860/api/health || exit 1
+
+# Run the application
+CMD ["python", "app.py"]