Install elasticsearch in openshift online

I want to install elasticsearch6.7.0 in openshift online.
So, I downloaded the Elasticsearch image and set the variables.

like this...

However, the bootstrap.check failed and the Elasticsearch did not start.

So I want to set the vm.max_map_count = 262144 option.
image

However, I can not run the settings because of permissions.

Where do I set up these permissions?
or
Can I create an Elasticsearch image with the vm.max_map_count option?