<p>I'm using <code># syntax = docker/dockerfile:experimental</code> in my Dockerfile, I use it to mount ssh but for some reason it stopped working.</p>
<p>I have the env <code>DOCKER_BUILDKIT=1</code> and already tried with <code>DOCKER_CLI_EXPERIMENTAL=enabled</code> but nothing changed.</p>
<pre><code>2 transferring context: 69B done
#2 DONE 0.0s

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 402B done
#1 DONE 0.0s

#3 resolve image config for docker.io/docker/dockerfile:experimental
#3 ERROR: docker.io/docker/dockerfile:experimental not found
------
 &gt; resolve image config for docker.io/docker/dockerfile:experimental:
------
docker.io/docker/dockerfile:experimental not found
</code></pre>
<p>There's the output and the problem.</p>
<p>Best regards</p>

<p>Fixed by forcing pull.</p>
<pre><code>docker pull docker/dockerfile:experimental
</code></pre>
