Update dockerfile

dockerfile

@@ -0,0 +1,37 @@
+# Use official Python image as base
+FROM python:3.10-slim
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    espeak \
+    ffmpeg \
+    git \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app
+
+# Copy requirements first to leverage Docker cache
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Download whisper model during build
+RUN python -c "import whisper; whisper.load_model('small')"
+
+# Copy the rest of the application
+COPY . .
+
+# Environment variables
+ENV PYTHONUNBUFFERED=1
+ENV OUTPUT_DIR=/app/outputs
+
+# Create outputs directory
+RUN mkdir -p ${OUTPUT_DIR}
+
+# Expose port for Gradio
+EXPOSE 7860
+
+# Command to run the application
+CMD ["python", "app.py"]