Rebase to lsiobase/alpine:3.12

Dockerfile

-FROM node:8-alpine
+FROM lsiobase/alpine:3.12
 
-LABEL   maintainer="Griefed <griefed@griefed.de>"
-LABEL   description="Based on https://github.com/d-zone-org/d-zone/tree/v1/docker \
-but pulls files from GitHub instead of copying from local filesystem. \
-You must set your bot token as an environment variable and your bot must be \
-a member of at least one server for this to work."
+LABEL maintainer="Griefed <griefed@griefed.de>"
 
+# Test whether these are needed. If not, remove
+ENV HOME="/app"
+ENV NODE_ENV="production"
 
-RUN     apk update && apk upgrade && apk add git && apk add nano                        && \
-        git clone -b heroku https://github.com/d-zone-org/d-zone.git /opt/d-zone        && \
-        cd /opt/d-zone                                                                  && \
-        npm install --no-optional                                                       && \
-        npm run-script build                                                            && \
-        apk del git
+# Build our D-Zone S6 image with lsiobase alpine. Much love to, Linuxserver.io!
+RUN \
+        echo "**** install dependencies and build tools and stuff ****" && \
+        apk add --no-cache \
+                git \
+                nano \
+                npm \
+                nodejs && \
+        mkdir -p \
+                /app/d-zone && \
+        git clone -b \
+                heroku \
+                https://github.com/d-zone-org/d-zone.git \
+                /app/d-zone && \
+        echo "**** run npm install and build D-Zone ****" && \
+        cd /app/d-zone && \
+        npm install --no-optional && \
+        npm run-script build && \
+        echo "**** delete git as we no longer need it ****" && \
+        apk del --purge \
+                git && \
+        rm -rf \
+                /root/.cache \
+                /tmp/*
 
-WORKDIR /opt/d-zone
+# Copy local files
+COPY root/ /
+
+# Communicate port to be used
 EXPOSE 3000
-CMD ["npm","start"]