config/test.exs
import Config
config :bylaw_postgres, ecto_repos: [Bylaw.Db.Postgres.TestRepo]
config :bylaw_postgres, Bylaw.Db.Postgres.TestRepo,
url: System.get_env("BYLAW_POSTGRES_URL", "postgres://localhost:5432/bylaw_test"),
pool: Ecto.Adapters.SQL.Sandbox,
pool_size: System.schedulers_online() * 2,
log: false