feat: PostgreSQL driver support

api/dependecyInjection.go

@@ -141,6 +141,8 @@ func databaseConfig(settings config.Settings) database.Config {
 	switch settings.Database.Driver {
 	case config.DatabaseDriverMySQL:
 		return mysqlDatabaseConfig(settings.Database)
+	case config.DatabaseDriverPostgres:
+		return postgresDatabaseConfig(settings.Database)
 	case "", config.DatabaseDriverSQLite:
 		return database.Config{Driver: database.DriverSQLite, Source: settings.DBFile}
 	default:
@@ -167,6 +169,25 @@ func mysqlDatabaseConfig(settings config.DatabaseSettings) database.Config {
 	}
 }
 
+func postgresDatabaseConfig(settings config.DatabaseSettings) database.Config {
+	return database.Config{
+		Driver: database.DriverPostgres,
+		Source: database.PostgresDSN(database.PostgresConfig{
+			Host:     settings.Host,
+			Port:     settings.Port,
+			User:     settings.User,
+			Password: settings.Password,
+			Name:     settings.Name,
+			SSLMode:  settings.SSLMode,
+		}),
+		Pool: &database.PoolSettings{
+			MaxOpenConns:    settings.MaxOpenConns,
+			MaxIdleConns:    settings.MaxIdleConns,
+			ConnMaxLifetime: settings.ConnMaxLifetime,
+		},
+	}
+}
+
 func openDatabase(settings config.Settings) *database.Connection {
 	connection, err := database.Connect(databaseConfig(settings))
 	if err != nil {