export const APP_PREFIX="crupest"
export const APP_NAME="mailserver"

export function getEnvRequired(key: string, usage: string): string {
  key = `${APP_PREFIX.toUpperCase()}_${APP_NAME.toUpperCase()}_${key}`
  const value = Deno.env.get(key)
  if (value == null) {
    throw new Error(`Env ${key} does not exist, used for ${usage}.`)
  }
  return value
}