Files
zavrsni-rad-otel-app/backend/analytics/internal/db/postgres.go
2026-05-11 10:58:46 +02:00

29 lines
668 B
Go

package db
import (
"context"
"fmt"
"log/slog"
"github.com/jackc/pgx/v5/pgxpool"
)
// OpenPostgres creates a pgx connection pool and validates connectivity.
func OpenPostgres(ctx context.Context, dsn string) (*pgxpool.Pool, error) {
cfg, err := pgxpool.ParseConfig(dsn)
if err != nil {
return nil, fmt.Errorf("parse postgres DSN: %w", err)
}
pool, err := pgxpool.NewWithConfig(ctx, cfg)
if err != nil {
return nil, fmt.Errorf("create postgres pool: %w", err)
}
if err := pool.Ping(ctx); err != nil {
pool.Close()
return nil, fmt.Errorf("ping postgres: %w", err)
}
slog.Info("postgres connected", "max_conns", cfg.MaxConns)
return pool, nil
}