A microservices architecture is a type of application architecture where the application is developed as a collection of services. We just published a course on the freeCodeCamp.org YouTube channel that will teach you about microservice architecture and distributed systems using a hands-on approach.  Georgio from Kantan Coding teaches this

freeCodeCamp is a nonprofit organization offering free online coding courses and programming tutorials, covering topics such as web development, data science, and machine learning. Learners can gain practical coding skills, build real-world projects, and earn certifications to advance their careers in tech.

freeCodeCamp

A microservices architecture is a type of application architecture where the application is developed as a collection of services. The course will teach you about microservice architecture and distributed systems using a hands-on approach.

Microservices and Software System Design Course

I like the tutorial, it was simple and easy to follow!
However, I would’ve chosen a different stack! For instance, using Blob storage instead of Mongo for files just makes much more sense!
The tutorial also missed the Software System Design part! No explanation about why choose the selected tech stack or discussing more production-ready options.