</code></pre>
</notextile>
-You are now able to specify the runtime environment for your program using the @docker_image@ field of the @runtime_constaints@ section of your pipeline components:
+You are now able to specify the runtime environment for your program using @DockerRequirement@ in your workflow:
-<notextile>
-{% code 'example_docker' as javascript %}
-</notextile>
-
-* The @docker_image@ field can be one of: the Docker repository name (as shown above), the Docker image hash, or the Arvados collection portable data hash.
+<pre>
+hints:
+ DockerRequirement:
+ dockerPull: arvados/jobs-with-r
+</pre>
h2. Share Docker images