merch-api/pkg/dbase/handler.go

package dbase

import (
	"context"
	"fmt"
	_ "github.com/jackc/pgx"
	"github.com/jackc/pgx/v5/pgxpool"
)

type Deps struct {
	Host     string
	Port     string
	Username string
	Password string
	DBName   string
}

func ConnectPool(ctx context.Context, deps Deps) (*pgxpool.Pool, error) {
	connString := fmt.Sprintf("host=%s port=%s user=%s password=%s dbname=%s",
		deps.Host, deps.Port, deps.Username, deps.Password, deps.DBName)

	config, err := pgxpool.ParseConfig(connString)
	if err != nil {
		return nil, err
	}

	pool, err := pgxpool.NewWithConfig(ctx, config)
	if err != nil {
		return nil, err
	}

	if err = pool.Ping(ctx); err != nil {
		pool.Close()
		return nil, err
	}

	return pool, nil
}