use jobs to devise emails delivery

docker-compose.yaml

@@ -5,9 +5,11 @@ services:
       - "3000:3000"
     environment:
       - DATABASE_URL=postgres://postgres:postgres@db:5432/postgres
+      - REDIS_URL=redis://redis
     image: xstake
     depends_on:
       - db
+      - redis
     volumes:
       - ./:/usr/src/app/
   db:
@@ -19,5 +21,8 @@ services:
       - "5432:5432"
     volumes:
       - "data:/var/lib/postgresql/data"
+  db:
+    image: redis:6.2-alpine
+
 volumes:
   data: