install step

.circleci/config.yml

@@ -8,4 +8,14 @@ jobs:
           password: $DOCKERHUB_PASSWORD  # context / project UI env-var reference
     steps:
       - checkout # check out the code in the project directory
-      - run: echo "hello world" # run the `echo` command
+      - restore_cache:
+           key: yarn-packages-{{ checksum "yarn.lock" }}
+       - run: yarn global add node-gyp && yarn install
+       - run: yarn lint
+       - run: yarn format:check
+       - run: yarn format --check
+       - run: yarn test:ci
+       - save_cache:
+           key: yarn-packages-{{ checksum "yarn.lcok" }}
+          paths:
+            - ./node_modules