:gear: adding triggers back to test

.drone.yml

 name: frontend_run_build
 depends_on:
     - frontend_run_tests
-    - backend_run_tests
 trigger:
     status:
         - success
 name: deploy
 depends_on:
     - backend_run_tests
+trigger:
+    status:
+        - success
+    branch:
+        - dev
 
 steps:
     # post-receive hook
           ssh_key:
               # !: id_rsa from DRONE machine
               from_secret: push_deploy_key
+
+volumes:
+    - name: backend_node_cache
+      host:
+          path: /tmp/cache/drone/backend/node_modules
+---
+