Avoid duplicate backend image builds in Docker Compose

docker-compose/local.yaml

@@ -6,6 +6,7 @@ services:
         python manage.py migrate &&
         python manage.py runserver 0.0.0.0:8000
       '
+    image: nest-local-backend
     build:
       context: ../backend
       dockerfile: docker/Dockerfile.local
@@ -113,10 +114,10 @@ services:
       sh -c '
         python manage.py rqworker ai --with-scheduler
       '
-    build:
-      context: ../backend
-      dockerfile: docker/Dockerfile.local
+    image: nest-local-backend
     depends_on:
+      backend:
+        condition: service_started
       cache:
         condition: service_healthy
       db:

docker-compose/production.yaml

@@ -68,6 +68,8 @@ services:
         python manage.py rqworker ai --with-scheduler
       '
     depends_on:
+      production-nest-backend:
+        condition: service_started
       production-nest-cache:
         condition: service_healthy
       production-nest-db:

docker-compose/staging.yaml

@@ -67,6 +67,8 @@ services:
         python manage.py rqworker ai --with-scheduler
       '
     depends_on:
+      staging-nest-backend:
+        condition: service_started
       staging-nest-cache:
         condition: service_healthy
       staging-nest-db: