Add memory-related tip
Suggest that starting the Minikube cluster with more memory may solve builder issues.
@@ -279,6 +279,13 @@ using a GitHub API token before running tests
in order to avoid hitting your API limit. Steps to do so are outlined in
the [BinderHub documentation](https://binderhub.readthedocs.io/en/latest/setup-binderhub.html#increase-your-github-api-limit).
+### Tip: Start Minikube with more memory
+
+By default, `minikube start` allocates 2GiB of main memory to the
+underlying VM, which might be too low to run the builder successfully.
+
+You may run `minikube start --memory 8192` to start Minikube with a 8GiB
+VM underneath.
## Common maintainer tasks
