50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
package database
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import (
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"fmt"
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"log"
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"time"
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"api_bb/internal/models"
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"gorm.io/driver/postgres"
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"gorm.io/gorm"
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)
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func InitDB(dsn string) (*gorm.DB, error) {
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// Используем PostgreSQL драйвер
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db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})
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if err != nil {
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return nil, fmt.Errorf("failed to connect to database: %w", err)
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}
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// Получаем underlying sql.DB для настройки пула соединений
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sqlDB, err := db.DB()
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if err != nil {
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return nil, fmt.Errorf("failed to get database instance: %w", err)
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}
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// Настраиваем пул соединений
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sqlDB.SetMaxIdleConns(10)
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sqlDB.SetMaxOpenConns(100)
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sqlDB.SetConnMaxLifetime(time.Hour)
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// Проверяем соединение
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if err := sqlDB.Ping(); err != nil {
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return nil, fmt.Errorf("database ping failed: %w", err)
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}
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log.Println("PostgreSQL connection established successfully")
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// Auto migrate models
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err = db.AutoMigrate(
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&models.User{},
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// Добавьте другие модели здесь по мере расширения
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)
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if err != nil {
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return nil, fmt.Errorf("failed to auto-migrate models: %w", err)
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}
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log.Println("Database migration completed successfully")
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return db, nil
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} |