Docker file update

Author: Unknown

Dockerfile

@@ -4,17 +4,10 @@ MAINTAINER Egor Kostan
 ENV PYTHONUNBUFFERED 1
 
 COPY ./requirements.txt /requirements.txt
-RUN apk add --update --no-cache postgresql-client
-RUN apk add --update --no-cache --virtual .tmp-build-deps \
-    gcc libc-dev linux-headers postgresql-dev
+
 RUN pip install -r /requirements.txt
 RUN apk del .tmp-build-deps
 
-# RUN apk update && \
-#    apk upgrade && \
-#    apk add --no-cache git && \
-#    apk add --no-cache mercurial
-
 RUN mkdir /app
 WORKDIR /app
 COPY ./app /app