fix: improve installation steps

Dockerfile

@@ -24,21 +24,21 @@ COPY parseurl.py /parseurl.py
 COPY entrypoint.sh /entrypoint.sh
 
 # Pre-install 
-CMD /bin/bash
-
-RUN bin/installDeps.sh && rm settings.json \
- && chmod +x /entrypoint.sh \
- && sed -i 's/^node/exec\ node/' bin/run.sh \
- && ln -s var/settings.json settings.json \
+RUN chmod +x /entrypoint.sh \
  && cd src \
- && npm install -D \
+ && npm install --save-prod \
  	ep_author_neat ep_headings2 \
  	ep_set_title_on_pad ep_adminpads \
  	ep_workspaces ep_comments_page \
  	ep_font_color ep_table_of_contents \
  	ep_delete_after_delay \
  	ep_offline_edit \
- 	ep_prompt_for_name
+ 	ep_prompt_for_name \
+ && cd .. \
+ && bin/installDeps.sh \
+ && sed -i 's/^node/exec\ node/' bin/run.sh \
+ && rm settings.json \
+ && ln -s var/settings.json settings.json
 
 # ep_mypads