Update Dockerfile

Dockerfile

@@ -2,18 +2,25 @@ FROM python:3.9-slim
 
 WORKDIR /app
 
-# Install required system packages
+# Install system dependencies
 RUN apt-get update && \
-    apt-get install -y curl && \
-    rm -rf /var/lib/apt/lists/*
+    apt-get install -y --no-install-recommends \
+    ffmpeg \
+    && rm -rf /var/lib/apt/lists/*
 
-# Copy and install dependencies
+# Copy requirements first for caching
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy application files
+# Application code
 COPY app.py audio_generator.py ./
 
+# Environment variables
+ENV PYTHONUNBUFFERED=1
+
 EXPOSE 7860
 
+HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:7860/health || exit 1
+
 CMD ["python", "app.py"]