We have our ELK (on prem) as SIEM solution. Now we have an requirement is like, we want to monitor multiple docker container performance (cpu usage, memory usage, etc). Those all docker container were installed on different different Ubuntu systems.
you can use metricbeat with docker module. Metricbeat process should be running on the same instance with docker containers and can be started as docker container as well. To use your ELK just define correct output: logstash or elasticsearch and corresponding configuration.
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