Hi,
It depends on what type of service you want to host.
if you want to host, PAAS based (managed service, you don't need to worry about HA, DR,... ), follow this
https://www.youtube.com/watch?v=4-Ux5CpUK-8&list=PLpOY--bg9OVl_uyR4lQzr_9_v-fJzrmW3&index=4&t=0s
if you are fine to manage yourself, IAAS based is an option which is with Azure VMs
https://www.youtube.com/playlist?list=PLpOY--bg9OVnSZW2MSl39X2iVKcuakgq_
Regards,
Eshwar