Change the url in the README.md, all datasources should actualy be set.
URLs to the datasources:
url: http://ee-prometheus:9090
url: http://ee-prometheus.example-namespace-name:9090/
Use docker compose to create Grafana Service:
docker-compose up
Navigate to http://localhost:3050/ or the Deployed URL.
Note:
Initial installation password and usernames are "admin".