Attempt to fix datbase config for CI

.gitlab-ci.yml

@@ -7,7 +7,7 @@ variables:
   DATABASE_NAME: gaja_test
   DATABASE_HOST: postgres
   DATABASE_USER: postgres
-  DATABASE_PASSWORD: "password"
+  DATABASE_PASSWORD: "postgres"
   MIX_ENV: "test"
 
 before_script:

config/test.exs

@@ -11,10 +11,10 @@ config :logger, level: :warn
 
 # Configure your database
 config :gaja, Gaja.Repo,
-  username: "postgres",
-  password: "mysecretpassword",
-  database: "gaja_test",
-  hostname: "localhost",
+  username: System.get_env("DATABASE_USER", "postgres"),
+  password: System.get_env("DATABASE_PASS", "mysecretpassword"),
+  database: System.get_env("DATABASE_NAME", "gaja_test"),
+  hostname: System.get_env("DATABASE_HOST", "localhost"),
   pool: Ecto.Adapters.SQL.Sandbox