Practical examples of PlantUML diagrams. I also prefer to use an include file like include.puml in this repo to make diagrams monochrome by default.
This domain model depicts a conceptual model of the data objects supporting a online store.
This use case diagram depicts the use cases supporting an online store.
This activity diagram is intended to represent how messages in an event-driven architecture are handled, the sequence diagram below it may provide additional context.
This component diagram depicts a client application integrating with a few microservices and a 3rd party system.
This deployment diagram depicts a stateless system that's deployed across multiple physical locations & datacenters with master-master replication of the underlying database.
These sequence diagrams depict simple microservice CRUD operations with an underlying document database.