🔧 config: update circle ci configration

Author: kazupon

.circleci/config.yml

@@ -2,9 +2,9 @@
 #
 # Check https://circleci.com/docs/2.0/language-javascript/ for more details
 #
-version: 2
-jobs:
-  build:
+version: 2.1
+executors:
+  default:
     docker:
       # specify the version you desire here
       - image: circleci/node:8.10
@@ -15,7 +15,11 @@ jobs:
       # - image: circleci/mongo:3.4.4
 
     working_directory: ~/repo
-
+orbs:
+  codecov: codecov/codecov@1.0.5
+jobs:
+  build:
+    executor: default
     steps:
       - checkout
 
@@ -26,12 +30,19 @@ jobs:
             # fallback to using the latest cache if no exact match is found
             - v1-dependencies-
 
-      - run: yarn install
+      - run:
+          name: Install Dependencies
+          command: yarn install --frozen-lockfile
 
       - save_cache:
+          name: Save Yarn Package Cache
+          key: yarn-packages-{{ checksum "yarn.lock" }}
           paths:
-            - node_modules
-          key: v1-dependencies-{{ checksum "package.json" }}
+            - ~/.cache/yarn
 
       # run tests!
-      - run: yarn test
+      - run: yarn lint
+      - run: yarn test
+
+      - codecov/upload:
+          file: ./coverage/lcov.info