---
title: "Mirrors and caching external images"
description: "How can you test mirrored image retrieval with an unavailable upstream?"
status: "coming-soon"
language: "en"
canonical: "https://bulnik.dev/en/articles/topics/T29.09/"
topicId: "T29.09"
---

> Coming soon — this article is being prepared. Below are its question, intended outcome, and place in the story.

## The question

How can you test mirrored image retrieval with an unavailable upstream?

## What we will work through

Test mirrored image retrieval with an unavailable upstream.

## Before you begin

Previously covered: What happens during push and pull.

- [What happens during push and pull](/en/articles/topics/T29.03/)