Metrics endpoint for Prometheus monitoring

I’m using couchbase 5.5.3 , and want to do the integration between CB and Prometheus.
Is there any implementation done to expose metrics using endpoint ? Or i still need to use the external exporter ? I didnt see in documentation anything about it.

According to the latest blog post, you’ll need a Couchbase Exporter -


I followed the above link and get the below error:

ERRO[0002] failed to scrape buckets error="failed to get buckets:

could you please help.