Spring-boot vs Dapr
When comparing Spring-boot vs Dapr, the Slant community recommends Spring-boot for most people. In the question“What are the best microservices frameworks?” Spring-boot is ranked 2nd while Dapr is ranked 11th. The most important reason people chose Spring-boot is:
Boot is just a thin configuration layer over Spring Framework, as such it inherits all the strengths of Spring.
Specs
Ranked in these QuestionsQuestion Ranking
Pros

Pro Inherits all of Spring's strengths
Boot is just a thin configuration layer over Spring Framework, as such it inherits all the strengths of Spring.

Pro Preconfigured starters

Pro Fast prototyping
Spring boot is built for fast prototyping.

Pro Kick down to Spring
Pro Any language
One of the goals is to enable developers to use any language or framework to write distributed applications.
Pro Free and open-source
Pro Platform agnostic
One of the goals is to be platform agnostic across cloud and edge.
Cons
Con Lacking in UI development
While actually very good and with a very complete and rich feature set to develop and maintain code on the server side, it still doesn't provide any rich framework for building good user interfaces.
Con Some downsides
Although event-driven architecture has many benefits, there can be downsides:
- Increased complexity
- Difficulty in monitoring
- Difficulty in debugging and troubleshooting
