install step2

.circleci/config.yml

@@ -1,27 +1,28 @@
-version: 2.1 # Use version 2.1 to enable orb usage.
-
-orbs:
-  win: circleci/windows@2.2.0 # The Windows orb give you everything you need to start using the Windows executor.
-
-jobs:
-  build: # name of your job
-    executor:
-      name: win/default # executor type
-      size: "medium" # resource class, can be "medium", "large", "xlarge", "2xlarge", defaults to "medium" if not specified
+version: 2.1 
 
+commands:
+  restore_cache_cmd:
+    steps:
+      - restore_cache:
+        key: npm-v1-dependencies-{{ checksum "yarn.lock" }}
+  save_cache_cmd:
     steps:
-      # Commands are run in a Windows virtual machine environment
-      - checkout
       - save_cache:
         paths:
-          - ~/.m2
+          - ~/.cache/yarn
         key: npm-v1-dependencies-{{ checksum "yarn.lock" }}
-      - run: yarn global add node-gyp && yarn install
-
-
 
+jobs:
+  build:
+    docker:
+      image: cimg/node:10.10.1
 
+    steps:
 
+      - checkout
+      - restore_cache_cmd
+      - run: yarn global add node-gyp && yarn install
+      - save_cache_cmd