.swift

import FluentPostgreSQL

try services.register(FluentPostgreSQLProvider())

 /// Register the configured SQLite database to the database config.
    var databases = DatabasesConfig()
    
    let databaseConfig = PostgreSQLDatabaseConfig(hostname: "localhost", username: "postgres", database: "blog")
    
    let database = PostgreSQLDatabase(config: databaseConfig)
    
    databases.add(database: database, as: .psql)
    services.register(databases)