set up worker for async tasks

templates/compose.yaml

@@ -1,5 +1,4 @@
 services:
-
     frontend:
         image: {{ registry_url }}/{{ registry_project }}/{{ chill_image_nginx_name }}:{{ item.chill_image_tag }}
         links:
@@ -23,7 +22,7 @@ services:
             - traefik
             - default
 
-    app:
+    app: &defaultApp
         image: {{ registry_url }}/{{ registry_project }}/{{ chill_image_php_name }}:{{ item.chill_image_tag }}
         env_file:
             - env_file.env
@@ -43,6 +42,31 @@ services:
         networks:
             - default
 
+        # temporary alter config until merge is solved
+        post_start:
+            - command:
+                  - rm
+                  - "/var/www/app/config/packages/chill_doc_store.yaml"
+              user: root
+
+    consumer:
+        <<: *defaultApp
+        entrypoint: "/usr/bin/env"
+        command:
+            - "/bin/bash"
+            - "-c"
+            - > 
+              sleep 3 && bin/console cache:clear &&
+              while ! [ -f /tmp/kill_me ];
+              do
+              php -d memory_limit=2G bin/console messenger:consume priority async --limit=20 --time-limit=600 -v;
+              done;
+        pre_stop:
+            - command:
+                - "/bin/bash"
+                - "-c"
+                - "touch /tmp/kill_me && bin/console messenger:stop-workers"
+
   {% if item.add_postgres %}
 
     database: