Use Python3 to fetch cheat sheets

Dockerfile

@@ -1,17 +1,24 @@
-FROM alpine:3.10
-WORKDIR /app
-COPY requirements.txt /app/
-RUN apk add --update --no-cache python2 py2-pip py2-gevent \
-    py2-flask py2-requests py2-pygments py2-redis \
-    py2-cffi py2-icu bash vim gawk sed \
-    && apk add --no-cache --virtual build-deps python2-dev \
-    build-base git \
-    && pip install -r requirements.txt \
-    && apk del build-deps
-COPY . /app
+FROM alpine:latest
 # fetching cheat sheets
-RUN apk add --update --no-cache git \
-    && mkdir -p /root/.cheat.sh/log/ \
-    && python2 lib/fetch.py fetch-all
-ENTRYPOINT ["python2"]
+## installing dependencies
+RUN apk add --update --no-cache git py3-six py3-pygments py3-yaml py3-gevent \
+      libstdc++ py3-colorama py3-requests py3-icu py3-redis
+## building missing python packages
+RUN apk add --no-cache --virtual build-deps py3-pip g++ python3-dev \
+    && pip3 install rapidfuzz colored polyglot pycld2 \
+    && apk del build-deps
+## copying
+WORKDIR /app
+COPY . /app
+RUN mkdir -p /root/.cheat.sh/log/ \
+    && python3 lib/fetch.py fetch-all
+
+# installing server dependencies
+#RUN apk add --update --no-cache py3-cffi py2-pip py2-gevent \
+#    py2-flask py2-requests py2-pygments py2-redis \
+#    py2-cffi py2-icu bash vim gawk sed \
+#    && apk add --no-cache --virtual build-deps python3-dev build-base \
+#    && pip3 install -r requirements.txt \
+#    && apk del build-deps
+ENTRYPOINT ["python3"]
 CMD ["bin/srv.py"]