* Ensure bitnami/grafana folder is created with usable permissions
This follows the examples of other images.
Without this folder being created, mounting user init scripts leads
to an error on startup:
"mkdir: cannot create directory '/bitnami': Permission denied"
fixes#52238
Signed-off-by: Ben Foster <bpfoster@gmail.com>
* Adjust volume dir variable name and use grafana_env_var_value to reference it, per PR feedback
Signed-off-by: Ben Foster <bpfoster@gmail.com>
---------
Signed-off-by: Ben Foster <bpfoster@gmail.com>
d9b3adfc9f