Azure Function that calls Cloudflare's purge_cache endpoint.
Requires 2 environment variables to be set:
CLOUDFLARE_ZONEID: the Zone ID of the cache being purged.CLOUDFLARE_PAT: A Cloudflare PAT withZone.Cache Purgepermissions for the cache's zone.
Requires:
AZURE_RBAC_CREDENTIALS: secret containing a service principal's RBAC credentials.AZURE_FUNCTIONAPP_NAME: variable containing the Function App's name.