This fixes #1, but circumvents the orginal proposed solution.

* Yarn was too much of an overkill and would have involved altering other files.* The issue was eventually resolved in the project, although the cool built-in plugin capability in Dockerfile had to be removed, and is now done from the command line.

README.md

@@ -48,7 +48,7 @@ LETSENCRYPT_EMAIL=bike@bikelover.org
 ```
 
 ## EtherPad Plugins
-Here are the default plugins installed by npm for etherdraw:
+Here are some recommended plugins for etherpad, which include etherdraw functionality:
 
 ```
     ep_adminpads ep_align ep_authornames ep_comments_page \
@@ -57,7 +57,17 @@ Here are the default plugins installed by npm for etherdraw:
     ep_page_view ep_print ep_simpletextsearch ep_spellcheck
 ```                
 
-To change, simply edit [etherpad/Dockerfile](https://github.com/fspc/etherpad-and-draw-node-alpine/blob/master/etherpad/Dockerfile) after `RUN npm install`.
+To install, simply run these two docker-compose commands after running docker-compose up -d:
+
+```
+    docker-compose exec etherpad npm install \
+    ep_adminpads ep_align ep_authornames ep_comments_page \
+    ep_copy_paste_images ep_define ep_draw ep_font_color ep_font_family \
+    ep_font_size ep_headings ep_message_all ep_offline_edit \
+    ep_page_view ep_print ep_simpletextsearch ep_spellcheck;
+
+    docker-compose restart etherpad;
+```
 
 If any of the plugins require configuration, simply edit [etherpad/entrypoint.sh](https://github.com/fspc/etherpad-and-draw-node-alpine/blob/master/etherpad/entrypoint.sh) between `cat <<- EOF > settings.json` and `EOF`. 
 

etherpad/Dockerfile

@@ -1,14 +1,8 @@
-# node 9.2 
-FROM node:9.4.0-alpine
+# node 9.11.1 
+FROM node:9.11.1-alpine
 MAINTAINER Jonathan Rosenbaum <fspc@freesoftwarepc.com>
 
-# npm WARN deprecated jade@0.26.3: Jade has been renamed to pug, please install the latest version of pug instead of jade
-# npm WARN deprecated node-uuid@1.4.8: Use uuid module instead
-# npm WARN deprecated minimatch@0.2.14: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
-# npm WARN deprecated graceful-fs@2.0.3: graceful-fs v3.0.0 and before will fail on node releases >= v7.0. Please update to graceful-fs@^4.0.0 as soon as possible. Use 'npm ls graceful-fs' to find it in the tree.
-# npm WARN deprecated minimatch@1.0.0: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
-
-ENV ETHERPAD_VERSION 1.6.2
+ENV ETHERPAD_VERSION 1.6.6
 
 RUN apk update; apk add bash curl gzip unzip mysql-client
 
@@ -21,20 +15,14 @@ RUN curl -SL \
 
 WORKDIR etherpad-lite
 
-COPY installDeps.sh /opt/etherpad-lite/bin/installDeps.sh
-
 RUN bin/installDeps.sh && rm settings.json
 COPY entrypoint.sh /entrypoint.sh
-#COPY installDeps.sh /opt/etherpad-lite/bin/installDeps.sh
 
 RUN sed -i 's/^node/exec\ node/' bin/run.sh
+RUN sed -i 's/^bin/##bin/' bin/run.sh
 
 VOLUME /opt/etherpad-lite/var /opt/etherpad-lite/node_modules
 RUN ln -s var/settings.json settings.json
-RUN npm install ep_adminpads ep_align ep_authornames ep_comments_page \
-                ep_copy_paste_images ep_define ep_draw ep_font_color ep_font_family \
-                ep_font_size ep_headings ep_message_all ep_offline_edit \ 
-                ep_page_view ep_print ep_simpletextsearch ep_spellcheck
 
 EXPOSE 9001
 ENTRYPOINT ["/entrypoint.sh"]