You can use the Cortex query frontend with any Prometheus-API compatible service, including Prometheus and Thanos. Use this config file to get the benefits of query parallelisation and caching. # Disable the requirement that every request to Cortex has a # X-Scope-OrgID header. `fake` will be substituted in instead. auth_enabled: false # We only want to run the query-frontend module. target: query-frontend # We don't want the usual /api/prom prefix. http_prefix: server: http_listen_port: 9091...