{
    "defaultEnv": "master",
    "master": {
      "driver": "pg",
      "host": {
        "ENV": "DB_HOST"
      },
      "port": {
        "ENV": "DB_PORT"
      },
      "user": {
        "ENV": "DB_USER"
      },
      "password": {
        "ENV": "DB_PASSWORD"
      },
      "database": {
        "ENV": "DB_DATABASE"
      }
    },
    "sql-file": true
  }