README.md - Explain setting up of http auth in docker-compose traefik middleware

README.md

@@ -2,7 +2,26 @@
 
 # Setting up the Nextcloud containers
 
-## Changes in docker/compose/docker-compose.yml
+## set up http auth in the traefik instance
+
+install apache2 utils and get the user+password in the right format for the docker-compose file
+```bash
+suo apt-get install apache2-utils
+echo $(htpasswd -nbB <USER> "<PASS>") | sed -e s/\\$/\\$\\$/g
+```
+In `docker/compose/docker-compose.yml`  fill in the <output> to the right place  
+In this case, in the beginning, put it under the nextcloud instance.
+Then later, when disabling nextcloud-web, uncomment and fill in under traefik middlewares
+regarding the labels of the deb-rust-sncf container.
+  
+  nextcloud-web:
+    label:
+      - "traefik.http.routers.nextcloud.middlewares=nextcloud, nextcloud-auth"
+      - "traefik.http.middlewares.nextcloud-auth.basicauth.users=<output>
+
+
+
+## Further changes in docker/compose/docker-compose.yml
 
 Go to docker-compose.yml and change all AAAAApw to your passwords.