37 lines
742 B
Go
37 lines
742 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 Config struct {
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MaxOpenConns int
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MaxIdleConns int
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ConnMaxLifetime time.Duration
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ConnMaxIdleTime time.Duration
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}
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func NewPostgresConnection(connStr string, cfg Config) (*sql.DB, error) {
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db, err := sql.Open("postgres", connStr)
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if err != nil {
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return nil, fmt.Errorf("failed to open database connection: %w", err)
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}
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db.SetMaxOpenConns(cfg.MaxOpenConns)
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db.SetMaxIdleConns(cfg.MaxIdleConns)
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db.SetConnMaxLifetime(cfg.ConnMaxLifetime)
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db.SetConnMaxIdleTime(cfg.ConnMaxIdleTime)
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err = db.PingContext(context.Background())
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if err != nil {
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return nil, fmt.Errorf("failed to ping database: %w", err)
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}
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return db, nil
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}
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