ad config file 🏗️

.circleci/config.yml

@@ -0,0 +1,37 @@
+version: 2
+jobs:
+  build: &shared-config
+    docker:
+      - image: circleci/node:lts-fermium
+    working_directory: ~/repo
+    steps:
+      - checkout
+      - restore_cache:
+          keys:
+            - dependencies-{{ checksum "package.json" }}-v1
+            - dependencies-
+      - run: yarn install
+      - save_cache:
+          paths:
+            - node_modules
+          key: dependencies-{{ checksum "package.json" }}-v1
+  lint:
+    <<: *shared-config
+    steps:
+      - checkout
+      - restore_cache:
+          key: dependencies-{{ checksum "package.json" }}-v1
+      - run: yarn lint
+      - run: yarn format:check
+
+  back-test-unit:
+    <<: *shared-config
+    steps:
+      - checkout
+      - restore_cache:
+          key: dependencies-{{ checksum "package.json" }}-v1
+      - run:
+          command: yarn test
+          environment:
+            DATABASE_URL: postgres://$PG_USER:$PG_PWD@localhost:5432/$PG_USER
+