Plugins
Install plugin on local Grafana
Option 1: with grafana-cli
# Internet network is required
# reference to https://grafana.com/docs/grafana/latest/administration/cli/#plugins-commands
grafana-cli plugins install marcusolsson-hourly-heatmap-panel
Option 2: manually unpack the .zip file
unzip my-plugin-0.2.0.zip -d YOUR_PLUGIN_DIR/my-plugin