Yes Azure is seriously giving a stiff competition to AWS. Although AWS has been in the market for a longer period of time we Azure is quickly catching up. Both these service providers are providing services at pricing that is very close to each other and are comping up with new services as well. Azure has also expanded reach int 54 regions and is not showing any sign of stopping.
For Azure you can either take this end-to-end certification course which will teach you the basics of Azure, or if you are just a beginner and wish to get your feet wet you can watch this end-to-end Azure tutorial.
For AWS you can either take this end-to-end certification course which will teach you the basics of AWS, or if you are just a beginner and wish to get your feet wet you can watch this end-to-end AWS tutorial.