Below are popular architecture styles:

• Monolithic architectures: It’s an old way of creating physical servers within single blocks.
• Service oriented architectures: Similar kind of services are deployed at one location.
• Micro-service architectures: Services in this architecture are more loosely coupled.

References:

• https://www.coforge.com/blog/application-architecture-monolithic-vs-soa-vs-microservices
• https://herbertograca.com/2017/07/28/architectural-styles-vs-architectural-patterns-vs-design-patterns/
• https://rubygarage.org/blog/monolith-soa-microservices-serverless