package config import ( "log" "os" "github.com/joho/godotenv" ) var ( Mode string Host string BaseURL string ) func loadEnv(key string, defaultValue ...string) string { env := os.Getenv(key) if len(defaultValue) > 0 && env == "" { env = defaultValue[0] } log.Printf("Environment variable %s = %q", key, env) return env } func init() { // Setup logger log.SetFlags(log.Lshortfile | log.Ltime | log.Ldate) // Load Config godotenv.Load() Mode = loadEnv("MODE", "development") Host = loadEnv("HOST", ":4000") BaseURL = loadEnv("BASE_URL", "http://localhost:4000") }