💚 Add circleci role.

.circleci/config.yml

@@ -6,10 +6,10 @@ jobs:
       - image: circleci/postgres:9.6.5
         environment:
           POSTGRES_DB: example
-          POSTGRES_USER: postgres
+          POSTGRES_USER: circleci
           POSTGRES_PASSWORD: somePwd
           POSTGRES_PORT: 5432
-          DATABASE_URL: postgresql://postgresql:somePwd@localhost:5432/example
+          DATABASE_URL: postgresql://circleci:somePwd@localhost:5432/example
     working_directory: ~/repo
     steps:
       - checkout