More robust handling of environment variables.

Dockerfile

@@ -1,16 +1,23 @@
 FROM node:lts-slim AS base
 
-RUN npm i holesail -g
+WORKDIR /temp
+COPY run.sh .
+RUN chmod +x run.sh
 
-ENV MODE client
+RUN npm install -g holesail
+
+ENV MODE server
 ENV HOST 0.0.0.0
 ENV PORT 8989
+ENV PUBLIC true
+ENV USERNAME admin
+ENV PASSWORD admin
+ENV ROLE user 
+ENV CONNECTOR ""
+ENV FORCE ""
 
-EXPOSE 8989
+#EXPOSE 8989
 
-ENTRYPOINT sh -c ' \
-    if [ "$MODE" = "server" ]; then \
-        holesail --live $PORT --host $HOST --connector $CONNECTOR; \
-    elif [ "$MODE" = "client" ]; then \
-        holesail --port $PORT --host $HOST $CONNECTOR; \
-    fi '
+WORKDIR /data
+
+ENTRYPOINT [ "/temp/run.sh" ]