Cloudwatch

log insights to run query on log group that contains nginx log.

fields @timestamp, @message | parse @message '* - - [*] "* * *" * * "*" "*"' as remote_addr, timestamp, request_type, location, protocol, response_code, body_bytes_sent, referrer, user_agent | display @timestamp, remote_addr, request_type, location, protocol, response_code, body_bytes_sent, referrer, user_agent | sort @timestamp desc

Find the number unique GET requests that accessed your main page with status code "200" (success).- Apache Server logs

fields @timestamp, @message | parse @message '* - - [*] "* * *" * * "*" "*"' as remote_addr, timestamp, request_type, location, protocol, response_code, body_bytes_sent, referrer, user_agent

| filter response_code="200" and request_type= "GET"

| stats count_distinct(remote_addr) as UniqueVisits

| sort @timestamp desc