updated docker image for faster builds

Dockerfile

@@ -1,15 +1,12 @@
-FROM debian:latest
+FROM nikolaik/python-nodejs:python3.9-nodejs16
 
 RUN apt update && apt upgrade -y
-RUN apt install git curl python3-pip ffmpeg -y
-RUN pip3 install -U pip
-RUN curl -sL https://deb.nodesource.com/setup_16.x | bash - && \
-    apt-get install -y nodejs && \
-    npm i -g npm
+RUN apt install ffmpeg -y
+
 COPY requirements.txt /requirements.txt
 RUN cd /
-RUN pip3 install -U -r requirements.txt
+RUN pip3 install -U pip && pip3 install -U -r requirements.txt
 RUN mkdir /VCPlayerBot
 WORKDIR /VCPlayerBot
 COPY start.sh /start.sh
-CMD ["/bin/bash", "/start.sh"]
+CMD ["/bin/bash", "/start.sh"]