Update Dockerfile

Dockerfile

@@ -19,6 +19,9 @@ RUN pip install --no-cache-dir -r requirements.txt
 RUN mkdir -p /app/cache && \
     chmod -R 777 /app/cache
 
+RUN apt-get update && apt-get install -y ffmpeg \
+    && rm -rf /var/lib/apt/lists/*
+
 # Copy the rest of your application code into the container
 COPY . .