added aliases and updated docker file

Dockerfile

@@ -1,10 +1,5 @@
-FROM python:3.6-slim
+FROM gorialis/discord.py
 WORKDIR /app
 COPY . .
-RUN apt-get clean \
-    && apt-get -y update
-RUN apt-get -y install nginx \
-    && apt-get -y install python3-dev \
-    && apt-get -y install build-essential
 RUN pip install -Ur requirements.txt
 CMD ["python", "Run.py"]