package config import "os" type Config struct { DatabaseURL string Port string Env string } func Load() *Config { return &Config{ DatabaseURL: getenv("DATABASE_URL", "postgres://account:account@localhost:5432/account?sslmode=disable"), Port: getenv("PORT", "8080"), Env: getenv("ENV", "development"), } } func getenv(key, fallback string) string { if v := os.Getenv(key); v != "" { return v } return fallback }