start up docker about sql_exporter

[dewey]

Hey, what kind of volume configuration are you using. As the logs mention it has issues loading the configuration file. Have you mounted the config directory into your container through a Docker volume? Otherwise it will try to use this path in the container...which will not exist and then throw an error message like that.

The README mentions that: https://github.com/justwatchcom/sql_exporter#getting-started