explicitly state that a Linux worker is needed
Windows and Darwin concourse users who plan to use resources provided by
concourse should have at least one Linux worker.
concourse/concourse#1158
@@ -227,6 +227,11 @@ a tool that meshes well with Concourse's ideals, buckle up and head over to
\code{tags}, both of which determine where steps in a
\reference{build-plans}{Build Plan} are scheduled.
+ Linux workers come with a set of
+ \hyperlink{https://concourse.ci/resource-types.html#section_resources-provided-with-concourse}{base
+ resource types}. If you are planning to use them you need to have at least
+ one Linux worker.
+
You may want a few workers, depending on the resource usage of your
pipeline. There should be one per machine; running multiple on one box
doesn't really make sense, as each worker runs as many containers as
