{
  "development": {
    "ENV": "POSTGRES_URL"
  },
  "staging": {
    "ENV": "POSTGRES_URL"
  },
  "production": {
    "ENV": "POSTGRES_URL"
  }
}

{
  "development": {
    "ENV": "DATABASE_URL"
  },
  "staging": {
    "ENV": "DATABASE_URL"
  },
  "production": {
    "ENV": "DATABASE_URL"
  }
}

Make sequelize config use DATABASE_URL ENV
[FEATURE] Make sequelize config use DATABASE_URL ENV
