traefik takes advantage of docker expose port

wallabag/docker-compose.wallabag.yml

@@ -3,15 +3,14 @@ version: '3'
 services:
   wallabag:
     container_name: wallabag
-    environment:
     image: wallabag/wallabag
     networks: 
       - srv    
     expose:
-    - 80
+      - 80
     volumes:
-    - wallabag_data:/var/www/wallabag/data:rw
-    - wallabag_images:/var/www/wallabag/web/assets/images:rw
+      - wallabag_data:/var/www/wallabag/data:rw
+      - wallabag_images:/var/www/wallabag/web/assets/images:rw
     environment:
       - SYMFONY__ENV__DOMAIN_NAME="https://${HOST_WALLABAG}.${DOMAIN}"
       - SYMFONY__ENV__FOSUSER_REGISTRATION=false
@@ -20,7 +19,6 @@ services:
       - traefik.http.routers.wallabag.rule=Host(`${HOST_WALLABAG}.${DOMAIN}`)
       - traefik.http.routers.wallabag.entrypoints=https
       - traefik.http.routers.wallabag.tls=true
-      - traefik.http.services.wallabag.loadbalancer.server.port=80
 
 volumes:
   wallabag_data: