small fix, don't worry about it

backend/internal/repositories/postgres/pool.go

@@ -0,0 +1,37 @@
+package postgres
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+	"github.com/tdvorak/seen/backend/internal/config"
+	"go.uber.org/zap"
+)
+
+func NewPool(ctx context.Context, cfg config.PostgresConfig, log *zap.Logger) (*pgxpool.Pool, error) {
+	poolConfig, err := pgxpool.ParseConfig(cfg.URL)
+	if err != nil {
+		return nil, fmt.Errorf("parse postgres url: %w", err)
+	}
+
+	poolConfig.MaxConns = cfg.MaxConns
+	poolConfig.MinConns = cfg.MinConns
+	poolConfig.MaxConnIdleTime = 5 * time.Minute
+	poolConfig.HealthCheckPeriod = 30 * time.Second
+
+	pool, err := pgxpool.NewWithConfig(ctx, poolConfig)
+	if err != nil {
+		return nil, fmt.Errorf("connect postgres: %w", err)
+	}
+
+	if err := pool.Ping(ctx); err != nil {
+		pool.Close()
+		return nil, fmt.Errorf("ping postgres: %w", err)
+	}
+
+	log.Info("postgres connected", zap.Int32("max_conns", cfg.MaxConns), zap.Int32("min_conns", cfg.MinConns))
+
+	return pool, nil
+}