remove ffmpeg installation from Dockerfile and add ffmpeg-python to requirements

Dockerfile

@@ -9,9 +9,6 @@ WORKDIR /code
 COPY ./requirements.txt /code/requirements.txt
 RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
-# Install ffmpeg for pydub
-RUN apt-get update && apt-get install -y ffmpeg
-
 COPY . /code
 
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"] 

requirements.txt

@@ -7,4 +7,5 @@ PyPDF2
 elevenlabs
 pydub
 jinja2
-python-jose[cryptography] 
+python-jose[cryptography]
+ffmpeg-python