config.yml in migration-lock-timeout-1.4.0

- old
+ new

@@ -1,18 +1,19 @@
-version: 2
+version: 2.1
 jobs:
   build:
     # working_directory: ~/appName
     docker:
-      - image: ruby:2.5.5
+      - image: cimg/ruby:2.7.7
         environment:
           PG_HOST: localhost
           PG_USER: ubuntu
-      - image: circleci/postgres:9.5-ram
+      - image: cimg/postgres:15.1
         environment:
           POSTGRES_USER: ubuntu
           POSTGRES_DB: circle_test
+          POSTGRES_PASSWORD: $POSTGRES_DB_PASSWORD
     steps:
       - checkout
       - run:
           name: Install Ruby Dependencies
           command: bundle install
@@ -20,9 +21,9 @@
           name: Install Appraisals Dependencies
           command: bundle exec appraisal install
       - run:
           name: Run Appraisals Tests
           environment:
-            POSTGRES_DB_DATABASE: circle_test
             POSTGRES_DB_USERNAME: ubuntu
-            POSTGRES_DB_PASSWORD:
+            POSTGRES_DB_DATABASE: circle_test
+            POSTGRES_DB_PASSWORD: $POSTGRES_DB_PASSWORD
           command: bundle exec appraisal rspec