Update Dockerfile

Dockerfile

@@ -20,7 +20,7 @@ RUN apt-get install -y \
     fonts-dejavu \
     fonts-noto-color-emoji \
     libfontconfig1 --no-install-recommends
-RUN apt-get clean && rm -rf /var/lib/apt/lists/*
+RUN apt-get clean && rm -frRv /var/lib/apt/lists/*
 WORKDIR /tmp/pup
 COPY package.json .
 RUN npm i