config.go

package main

import (
	"fmt"

	"github.com/caarlos0/env/v11"
	"github.com/rs/zerolog/log"
)

func Load() (*Config, error) {
	var c Config
	if err := env.Parse(&c); err != nil {
		log.Error().Msgf("unable to parse env: %s", err.Error())
		return nil, fmt.Errorf("unable to parse env: %w", err)
	}

	return &c, nil
}

type Config struct {
	Host        string `env:"DATABASE_HOST,notEmpty"`
	Port        int    `env:"DATABASE_PORT,notEmpty"`
	User        string `env:"DATABASE_USER,notEmpty"`
	Password    string `env:"DATABASE_PASSWORD,notEmpty"`
	Name        string `env:"DATABASE_NAME,notEmpty"`
	RabbitMQURL string `env:"RABBITMQ_URL,notEmpty"`
	LogLevel    string `env:"DATABASE_LOG_LEVEL" envDefault:"info"`
}

func (c Config) DataSourceName() string {
	return fmt.Sprintf("user=%s password=%s host=%s port=%d dbname=%s sslmode=disable",
		c.User, c.Password, c.Host, c.Port, c.Name)
}