cleanup the compose file used by the participants

docker-compose.dev.yml

+version: '3.1'
+services:
+
+  workflows-workshop:
+    # build: .
+    image: workflows-workshop:latest
+    restart: always
+    user: root
+    environment:
+      # - NB_UID=1001
+      - GRANT_SUDO=yes
+      - OMPI_MCA_btl_vader_single_copy_mechanism=none
+    ports:
+      - 8888:8888
+      - 5000:5000
+    depends_on:
+      - mongo
+    volumes:
+      - ./tutorials:/home/jovyan/tutorials
+
+  mongo:
+    image: mongo
+    restart: always
+    # environment:
+    #   - MONGO_INITDB_ROOT_USERNAME=admin
+    #   - MONGO_INITDB_ROOT_PASSWORD=secret
+    # ports:
+    #   - 27017:27017  # opening port for development only!
+    volumes:
+      - ./db:/data/db
+
+  # mongo-express:  # mongo-express only for development only!
+  #   image: mongo-express
+  #   restart: always
+  #   ports:
+  #     - 8081:8081
+  #   environment:
+  #     - ME_CONFIG_MONGODB_ADMINUSERNAME=admin
+  #     - ME_CONFIG_MONGODB_ADMINPASSWORD=secret
+  #   depends_on:
+  #     - mongo

docker-compose.yml

@@ -2,40 +2,15 @@ version: '3.1'
 services:
 
   workflows-workshop:
-    # build: .
     image: workflows-workshop:latest
     restart: always
-    user: root
     environment:
-      # - NB_UID=1001
-      - GRANT_SUDO=yes
       - OMPI_MCA_btl_vader_single_copy_mechanism=none
     ports:
       - 8888:8888
-      - 5000:5000
     depends_on:
       - mongo
-    volumes:
-      - ./tutorials:/home/jovyan/tutorials
-
+  
   mongo:
     image: mongo
     restart: always
-    # environment:
-    #   - MONGO_INITDB_ROOT_USERNAME=admin
-    #   - MONGO_INITDB_ROOT_PASSWORD=secret
-    # ports:
-    #   - 27017:27017  # opening port for development only!
-    volumes:
-      - ./db:/data/db
-
-  # mongo-express:  # mongo-express only for development only!
-  #   image: mongo-express
-  #   restart: always
-  #   ports:
-  #     - 8081:8081
-  #   environment:
-  #     - ME_CONFIG_MONGODB_ADMINUSERNAME=admin
-  #     - ME_CONFIG_MONGODB_ADMINPASSWORD=secret
-  #   depends_on:
-  #     - mongo