if web starts first without app, nginx will quit

docker-compose/docker-compose.yml

@@ -43,6 +43,8 @@ services:
       -  public:/var/www/app/public
     expose: # Expose ports without publishing them to the host machine - they’ll only be accessible to linked services.
       - "80"
+    depends_on:
+      - app
     ports: # Delete if you want to use reverse proxy
       - 8000:80
     networks:
@@ -67,4 +69,4 @@ services:
       done
       EOF'
     networks:
-      - default
+      - default