37 lines
694 B
Go
37 lines
694 B
Go
package database
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import (
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"context"
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"database/sql"
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"fmt"
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"time"
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_ "github.com/lib/pq"
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)
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type Postgres struct {
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db *sql.DB
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}
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func NewPostgres(dsn string) (*sql.DB, error) {
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db, err := sql.Open("postgres", dsn)
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if err != nil {
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return nil, fmt.Errorf("failed to open db: %w", err)
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}
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// Проверяем соединение
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := db.PingContext(ctx); err != nil {
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return nil, fmt.Errorf("failed to ping db: %w", err)
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}
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// Настройка пула соединений
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db.SetMaxOpenConns(25)
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db.SetMaxIdleConns(25)
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db.SetConnMaxLifetime(5 * time.Minute)
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return db, nil
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}
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