db.config.ci

{
  "mysql": {
    "database": "db_migrate_test",
    "user": "root",
    "driver": "mysql"
  },
  "pg": {
    "driver": "pg",
    "database": "db_migrate_test",
    "username": "postgres"
  },
  "sqlite3": {
    "driver": "sqlite3",
    "filename": "test.db"
  },
  "mongodb": {
    "driver": "mongodb",
    "host": "localhost",
    "database": "db_migrate_test"
  }
}