Include the projectname into the backend name for Traefik such that multi...

Include the projectname into the backend name for Traefik such that multi project routing does work correctly

templates/docker-compose.yml.twig

@@ -32,7 +32,7 @@ services:
     volumes:
       - ./:/var/www/html
     labels:
-      - 'traefik.backend=nginx'
+      - 'traefik.backend={{ projectname }}_nginx_1'
       - 'traefik.port=80'
       - 'traefik.frontend.rule=Host:{{ projectname }}.docker.localhost'
 
@@ -46,7 +46,7 @@ services:
       VARNISH_BACKEND_HOST: nginx
       VARNISH_BACKEND_PORT: 80
     labels:
-      - 'traefik.backend=varnish'
+      - 'traefik.backend={{ projectname }}_varnish_1'
       - 'traefik.port=6081'
       - 'traefik.frontend.rule=Host:varnish.{{ projectname }}.docker.localhost'
 {% endif %}
@@ -63,7 +63,7 @@ services:
       PHP_UPLOAD_MAX_FILESIZE: 1G
       PHP_MAX_INPUT_VARS: 1G
     labels:
-      - 'traefik.backend=pma'
+      - 'traefik.backend={{ projectname }}_pma_1'
       - 'traefik.port=80'
       - 'traefik.frontend.rule=Host:pma.{{ projectname }}.docker.localhost'
 
@@ -73,7 +73,7 @@ services:
     environment:
       SOLR_HEAP: 1024m
     labels:
-      - 'traefik.backend=solr'
+      - 'traefik.backend={{ projectname }}_solr_1'
       - 'traefik.port=8983'
       - 'traefik.frontend.rule=Host:solr.{{ projectname }}.docker.localhost'
 {% endif %}
@@ -81,7 +81,7 @@ services:
   mailhog:
     image: mailhog/mailhog
     labels:
-      - 'traefik.backend=mailhog'
+      - 'traefik.backend={{ projectname }}_mailhog_1'
       - 'traefik.port=8025'
       - 'traefik.frontend.rule=Host:mailhog.{{ projectname }}.docker.localhost'
 
@@ -90,7 +90,7 @@ services:
     image: node:7-alpine
     working_dir: /app
     labels:
-      - 'traefik.backend=node'
+      - 'traefik.backend={{ projectname }}_node_1'
       - 'traefik.port=3000'
       - 'traefik.frontend.rule=Host:front.{{ projectname }}.docker.localhost'
     expose: