welcome to the forum, @thalesmaia
try changing the user and group settings on your pi to 472:472
:
- Make sure your local directory is owned by the default Grafana user ID 472:472
chown 472:472 $HOME/docker/grafana/data
- suggestion from: Setting up Grafana on Raspberry Pi with Docker (compose) | Andreas' Blog
- but also mentioned elsewhere (this has been a thing for a while…):