<pre><code>~$ <span class="userinput">git rev-parse HEAD</span></code></pre>
</notextile>
-* @"docker_image"@ : The docker image hash used is found on the "Collection page":https://cloud.curoverse.com/collections/qr1hi-4zz18-dov6im679g3jr1n as the *Content address*.
+* @"docker_image"@ : The docker image hash used is found on the "Collection page":https://playground.arvados.org/collections/qr1hi-4zz18-dov6im679g3jr1n as the *Content address*.
h2. Running your pipeline
<pre><code>~$ <span class="userinput">git rev-parse HEAD</span></code></pre>
</notextile>
-* @"docker_image"@ : This specifies the "Docker":https://www.docker.com/ runtime environment where jobs run their scripts. Docker version control is similar to git, and you can commit and push changes to your images. You must re-use the docker image hash from the previous run to use the same image. It can be found on the "Collection page":https://cloud.curoverse.com/collections/qr1hi-4zz18-dov6im679g3jr1n as the *Content address* or the *docker_image_locator* in a job's metadata.
+* @"docker_image"@ : This specifies the "Docker":https://www.docker.com/ runtime environment where jobs run their scripts. Docker version control is similar to git, and you can commit and push changes to your images. You must re-use the docker image hash from the previous run to use the same image. It can be found on the "Collection page":https://playground.arvados.org/collections/qr1hi-4zz18-dov6im679g3jr1n as the *Content address* or the *docker_image_locator* in a job's metadata.