Revert "Dockerfile: Move to smaller alpine base image"

This reverts commit 697017f.

Dockerfile

@@ -1,27 +1,16 @@
-FROM python:3-alpine
-
-WORKDIR /bot
-RUN chmod 777 /bot
-
-# install ca-certificates so that HTTPS works consistently
-RUN apk add --no-cache --update \
-      ca-certificates \
-      aria2 \
-      libmagic \
-      python3-lxml \
-      curl \
-      pv \
-      jq
-
-RUN apk add --no-cache --update --virtual .build-deps \
-      build-base \
-      libffi-dev \
-      openssl-dev
+FROM ubuntu:18.04
 
+WORKDIR /usr/src/app
+RUN chmod 777 /usr/src/app
+RUN apt -qq update
+RUN apt -qq install -y aria2 python3 python3-pip locales python3-lxml curl pv jq
 COPY requirements.txt .
 RUN pip3 install --no-cache-dir -r requirements.txt
-RUN apk del .build-deps
 COPY . .
-RUN chmod +x *.sh
+RUN chmod +x aria.sh
+RUN locale-gen en_US.UTF-8
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US:en
+ENV LC_ALL en_US.UTF-8
 
-CMD ["sh", "./start.sh"]
+CMD ["bash","start.sh"]