test another node version

.circleci/config.yml

@@ -2,7 +2,7 @@ version: 2.1
 jobs:
     build:
         docker:
-            - image: cimg/node:14.10.1
+            - image: cimg/node:12
         steps:
             - checkout
             - restore_cache:
@@ -14,7 +14,7 @@ jobs:
                     - ./node_modules
     check_format:
         docker:
-            - image: cimg/node:14.10.1
+            - image: circleci
         steps:
             - checkout
             - restore_cache:
@@ -30,7 +30,7 @@ jobs:
             - run : yarn test:ci
     test_e2e:
         docker:
-            - image: cimg/node:14.10.1
+            - image: cimg/node:12
             - image: circleci/postgres
               environment:
                 POSTGRES_USER: e2e
@@ -40,15 +40,18 @@ jobs:
             - checkout
             - restore_cache:
                 key: yarn-packages-v2{{ checksum "yarn.lock" }}
+            - run:
+                name: Waiting for POSTGRES
+                command: dockerize -wait tcp://localhost:5432 -timeout 1m
             - run: 
                 name: Launching e2e test
+                command: yarn test:e2e
                 environment:
                     DATABASE_URL: "postgres://e2e:test@localhost:5432/psdb"
                     API_PORT: 3000
                     API_HOST: "localhost"
                     API_PROTOCOL: "http"
                     JWT_SECRET: "youwontguess"
-                command: yarn test:e2e
                 
 
 workflows: