# README
mackerel-plugin-docker
Docker (https://www.docker.com/) custom metrics plugin for mackerel.io agent.
Synopsis
mackerel-plugin-docker [-host=<host>] [-command=<docker>] [-tempfile=<tempfile>]
-host
Socket path. This option is same as--host
option of docker command.-command
Path to docker command. Without path, binary is searched in the directories named by the PATH environment variable. The default value isdocker
.-tempfile
Temporary file stored metric values for calculating differentials.
Example of mackerel-agent.conf
[plugin.metrics.docker]
command = "/path/to/mackerel-plugin-docker"