add packages.txt

Dockerfile

@@ -4,6 +4,7 @@ WORKDIR /code
 
 COPY ./requirements.txt /code/requirements.txt
 
+RUN apt-get update && xargs -r -a /app/packages.txt apt-get install -y && rm -rf /var/lib/apt/lists/*
 RUN pip3 install --no-cache-dir --upgrade -r /code/requirements.txt
 
 # we are using open AI here. no need to download model