added the case if node container is not used

.github/workflows/deploy.yml

@@ -11,9 +11,11 @@ jobs:
   test:
     # DKDK environment name is the one defined in the corresponding repo > Setting > Environment
     environment: testing
+    # Runner
     runs-on: ubuntu-latest
     # DKDK add container using docker hub's image, node
     # to have full control for environment
+    # by having container, jobs are running at docker container, not at ubuntu-latest
     container:
       image: node:20
     env:
@@ -25,7 +27,10 @@ jobs:
 
       # DKDK here, to access service container, mongodb in the following
       # so al env should match with the container's env
+      # Note that this assumes that service container is running under node:20 container
       MONGODB_CONNECTION_PROTOCOL: mongodb
+      # if not using node:20 container, then MONGODB_CLUSTER_ADDRESS should be changed
+      # e.g., MONGODB_CLUSTER_ADDRESS: 127.0.0.1:27017
       MONGODB_CLUSTER_ADDRESS: mongodb
       MONGODB_USERNAME: root
       MONGODB_PASSWORD: example
@@ -35,6 +40,9 @@ jobs:
       # DKDK service name, mongodb or anything
       mongodb:
         image: mongo
+        # DKDK if service container is not running under container (node:20), then ports should be defined
+        # ports:
+        #   - 27017:27017
         env:
           # DKDK this is stated at Docker hub's mongodb document
           MONTO_INITDB_ROOT_USERNAME: root