https://demo.uptime.kuma.pet:27000/
It is a temporary live demo, all data will be deleted after 10 minutes. Use the one that is closer to you, but I suggest that you should install and try it out for the best demo experience.
https://github.com/louislam/uptime-kuma
Monitoring uptime for HTTP(s) / TCP / HTTP(s) Keyword / HTTP(s) Json Query / Ping / DNS Record / Push / Steam Game Server / Docker Containers
And if you could then get the Docker IDs or Docker names that you had installed, you could monitor and test the apps yourself