Fix the docker-compose.yml so that / is handled by the admin container

admin/mailu/__init__.py

@@ -73,4 +73,4 @@ app.register_blueprint(admin.app, url_prefix='/admin')
 
 @app.route("/")
 def index():
-    return flask.redirect("/webmail")
+    return flask.redirect("/webmail/")

docker-compose.yml.dist

@@ -91,6 +91,7 @@ services:
     labels:
       - traefik.enable=true
       - traefik.frontend.rule=Host:$HOSTNAME;PathPrefix:/admin/
+      - traefik.root.frontend.rule=Host:$HOSTNAME;Path:/
       - traefik.port=80
     restart: always
     env_file: .env
@@ -108,7 +109,6 @@ services:
     labels:
       - traefik.enable=true
       - traefik.frontend.rule=Host:$HOSTNAME;PathPrefix:/webmail/
-      - traefik.root.frontend.rule=Host:$HOSTNAME;Path:/;AddPrefix:/webmail/
       - traefik.port=80
     restart: always
     env_file: .env