[CIRCLE_CI]: added new version for node

Author: pateash

.circleci/config.yml

@@ -4,9 +4,8 @@ jobs:
     working_directory: ~/mern-starter
     # The primary container is an instance of the first image listed. The job's commands run in this container.
     docker:
-      - image: circleci/node:4.8.2-jessie
+      - image: circleci/node:latest
       # The secondary container is an instance of the second listed image which is run in a common network where ports exposed on the primary container are available on localhost.
-      - image: mongo:3.4.4-jessie
     steps:
       - checkout
       - run:
@@ -23,8 +22,7 @@ jobs:
             - node_modules
   test:
     docker:
-      - image: circleci/node:4.8.2-jessie
-      - image: mongo:3.4.4-jessie
+      - image: circleci/node:latest
     steps:
       - checkout
       - run: