From 64ba3712f40b22a7dadc41e64f324b0366424152 Mon Sep 17 00:00:00 2001
From: Starbeamrainbowlabs <sbrl@starbeamrainbowlabs.com>
Date: Sun, 18 Apr 2021 13:10:25 +0100
Subject: [PATCH] etherpad: use nvm to install an old version of Node.js

---
 images/etherpad/Dockerfile | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/images/etherpad/Dockerfile b/images/etherpad/Dockerfile
index 7543f3e..ba005cd 100644
--- a/images/etherpad/Dockerfile
+++ b/images/etherpad/Dockerfile
@@ -7,23 +7,33 @@ FROM ${REPO_LOCATION}minideb-node AS builder
 # It's important we checkout a specific commit, otherwise etherpad checks out the latest from develop O.o
 ARG COMMIT=b99c2cae22f35a0c0831e2fef0719f115b486bd9
 
-RUN install_packages git ca-certificates
+RUN install_packages git ca-certificates curl
+
 
 RUN mkdir -p /srv \
+	&& curl -sSL -o /srv/nvm_install.sh https://raw.githubusercontent.com/nvm-sh/nvm/v0.38.0/install.sh \
 	&& git clone --branch master https://github.com/ether/etherpad-lite.git /srv/etherpad \
 	&& cd /srv/etherpad && git checkout "${COMMIT}" \
 	&& git status
 
 ###############################################################################
 
-FROM ${REPO_LOCATION}minideb-node
+FROM ${REPO_LOCATION}minideb
 
+COPY --from=builder /srv/nvm_install.sh /srv/nvm_install.sh
 COPY --from=builder /srv/etherpad /srv/etherpad
 COPY settings.json /srv/etherpad/
 ENV PYTHON /usr/bin/python3
 
-RUN mkdir -p /.npm
-RUN cd /srv/etherpad \
+# lts-erbium = Node.js 12.x
+# We speculate that our problems with Etherpad are because we're using a newer version of Node.js..... :-/
+# nvm needs curl to download versions of Node.js
+
+RUN install_packages ca-certificates curl \
+	&& mkdir -p /.npm \
+	&& bash /srv/nvm_install.sh \
+	&& nvm install lts/erbium \
+	&& cd /srv/etherpad \
 	&& install_packages python3 make gcc g++ libc-dev libc++-dev \
 	&& ln -s /usr/bin/python3 /usr/bin/python \
 	&& src/bin/installDeps.sh \