include and configure hocuspocus in AIO docker container

docker/prod/Dockerfile

@@ -39,6 +39,9 @@ ENV OPENPROJECT_INSTALLATION__TYPE=docker
 ENV OPENPROJECT_ATTACHMENTS__STORAGE__PATH=$APP_DATA_PATH/files
 ENV OPENPROJECT_RAILS__CACHE__STORE=file_store
 ENV OPENPROJECT_ANGULAR_UGLIFY=true
+# leave the following empty to fill automatically, using the bundled hocuspocus
+ENV OPENPROJECT_COLLABORATIVE__EDITING__HOCUSPOCUS__URL=
+ENV OPENPROJECT_COLLABORATIVE__EDITING__HOCUSPOCUS__SECRET=
 
 RUN useradd -d /home/$APP_USER -m $APP_USER && \
   mkdir -p $APP_PATH && chown $APP_USER:$APP_USER $APP_PATH && \
@@ -108,6 +111,8 @@ ENV PGDATA=/var/openproject/pgdata
 COPY --from=openproject/gosu /go/bin/gosu /usr/local/bin/gosu
 RUN chmod +x /usr/local/bin/gosu && gosu nobody true
 
+COPY --from=openproject/hocuspocus --chown=$APP_USER:$APP_USER /app /usr/local/hocuspocus
+
 RUN ./docker/prod/setup/postinstall-onprem.sh && \
   ln -s /app/docker/prod/setup/.irbrc /root/
 

docker/prod/entrypoint.sh

@@ -78,6 +78,21 @@ if [ "$(id -u)" = '0' ]; then
 	chown "$APP_USER:$APP_USER" "$APP_PATH"
 	chown -R "$APP_USER:$APP_USER" "$APP_PATH/log" "$APP_PATH/tmp" "$APP_PATH/files" "$APP_PATH/public"
 
+	# start: hocuspocus / collaborative editing configuration
+	HP_PROTOCOL="wss"
+	if [ "$OPENPROJECT_HTTPS" = "false" ]; then
+		HP_PROTOCOL="ws"
+	fi
+
+	HP_HOST=${OPENPROJECT_HOST__NAME:="localhost"}
+	export OPENPROJECT_COLLABORATIVE__EDITING__HOCUSPOCUS__URL=${OPENPROJECT_COLLABORATIVE__EDITING__HOCUSPOCUS__URL:="${HP_PROTOCOL}://${HP_HOST}/hocuspocus"}
+	export OPENPROJECT_COLLABORATIVE__EDITING__HOCUSPOCUS__SECRET="${OPENPROJECT_COLLABORATIVE__EDITING__HOCUSPOCUS__SECRET}"
+
+	if [ -z "$OPENPROJECT_COLLABORATIVE__EDITING__HOCUSPOCUS__SECRET" ]; then
+		export OPENPROJECT_COLLABORATIVE__EDITING__HOCUSPOCUS__SECRET="$(tr -dc 'A-Za-z0-9!?%=' < /dev/urandom | head -c 32)"
+	fi
+	# :end
+
 	# allow to launch any command as root by prepending it with 'root'
 	if [ "$1" = "root" ]; then
 		shift

docker/prod/hocuspocus

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+export SECRET="${OPENPROJECT_COLLABORATIVE__EDITING__HOCUSPOCUS__SECRET}"
+
+cd /usr/local/hocuspocus
+
+npm start run

docker/prod/proxy.conf.erb

@@ -18,4 +18,9 @@
     ProxyPass http://<%= ENV.fetch("APP_HOST", "127.0.0.1") %>:8080<%= location %>/ retry=0
     ProxyPassReverse http://<%= ENV.fetch("APP_HOST", "127.0.0.1") %>:8080<%= location %>/
   </Location>
+
+  <Location /hocuspocus>
+    ProxyPass http://<%= ENV.fetch("APP_HOST", "127.0.0.1") %>:1234/ upgrade=websocket
+    ProxyPassReverse http://<%= ENV.fetch("APP_HOST", "127.0.0.1") %>:1234/
+  </Location>
 </VirtualHost>

docker/prod/supervisord.conf.erb

@@ -44,6 +44,18 @@ stdout_logfile = /dev/stdout
 stdout_logfile_maxbytes = 0
 stderr_logfile_maxbytes = 0
 
+[program:hocuspocus]
+priority=6
+user=app
+environment=HOME="/home/%(ENV_APP_USER)s",USER="%(ENV_APP_USER)s"
+directory=%(ENV_APP_PATH)s
+command=./docker/prod/hocuspocus
+autorestart=true
+stderr_logfile = /dev/stderr
+stdout_logfile = /dev/stdout
+stdout_logfile_maxbytes = 0
+stderr_logfile_maxbytes = 0
+
 [program:cron]
 priority=100
 user=app