Initial commit

application/repository/bunpg.go

@@ -0,0 +1,23 @@
+package repository
+
+import (
+	"database/sql"
+	"fmt"
+
+	"github.com/uptrace/bun"
+	"github.com/uptrace/bun/dialect/pgdialect"
+	"github.com/uptrace/bun/driver/pgdriver"
+)
+
+func NewDB(dsn string) (*bun.DB, error) {
+	connector := pgdriver.NewConnector(pgdriver.WithDSN(dsn))
+	sqlDB := sql.OpenDB(connector)
+	sqlDB.SetMaxOpenConns(10)
+	db := bun.NewDB(sqlDB, pgdialect.New())
+
+	if err := db.Ping(); err != nil {
+		return nil, fmt.Errorf("ping database: %w", err)
+	}
+
+	return db, nil
+}