fix: workdir may not be available at startup

Dockerfile

@@ -96,8 +96,8 @@ RUN apt-get update && apt-get install -y \
   && mkdir /var/log/supervisord /var/run/supervisord
 COPY supervisord.conf /etc/supervisord.conf
 
-COPY app.json /app/app.json
-COPY postdeploy.sh /app/postdeploy.sh
+COPY app.json /app.json
+COPY postdeploy.sh /dokku/postdeploy.sh
 
 ENV NEXTCLOUD_UPDATE=1
 

app.json

@@ -1,7 +1,7 @@
 {
   "scripts": {
     "dokku": {
-      "postdeploy": "su -l -s /bin/sh www-data  -c /app/postdeploy.sh"
+      "postdeploy": "su -l -s /bin/sh www-data  -c /dokku/postdeploy.sh"
     }
   }
 }