Update Dockerfile

Dockerfile

@@ -2,7 +2,7 @@ FROM python:3.10-slim
 
 WORKDIR /app
 
-RUN apt-get update && apt-get install -y libsndfile1 && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y libsndfile1 ffmpeg && rm -rf /var/lib/apt/lists/*
 
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt