https://github.com/oskardudycz/cqrs-is-simpler-with-java

https://github.com/oskardudycz/cqrs-is-simpler-with-java

Last synced: 5 days ago
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• Host: GitHub
• URL: https://github.com/oskardudycz/cqrs-is-simpler-with-java
• Owner: oskardudycz
• Created: 2023-05-30T09:07:27.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2023-07-01T05:17:00.000Z (over 1 year ago)
• Last Synced: 2024-11-01T13:42:14.264Z (12 days ago)
• Language: Java
• Size: 148 KB
• Stars: 17
• Watchers: 3
• Forks: 3
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Funding: .github/FUNDING.yml

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# CQRS is simpler than you may think

You can also watch the talk [below](https://m.youtube.com/watch?v=9COWKz1E32w):



Repository with backing code for my talk. For more samples like that see [EventSourcing in Java repository](https://github.com/oskardudycz/EventSourcing.JVM).

## Read also

-   📝 [CQRS facts and myths explained](https://event-driven.io/en/cqrs_facts_and_myths_explained/?utm_source=event_sourcing_net)

-   📝 [What onion has to do with Clean Code?](https://event-driven.io/pl/onion_clean_code/?utm_source=event_sourcing_net)

-   📝 [How to slice the codebase effectively?](https://event-driven.io/en/how_to_slice_the_codebase_effectively/?utm_source=event_sourcing_net)

-   📝 [Generic does not mean Simple?](https://event-driven.io/en/generic_does_not_mean_simple/?utm_source=event_sourcing_net)

-   📝 [Can command return a value?](https://event-driven.io/en/can_command_return_a_value/?utm_source=event_sourcing_net)

-   📝 [How to register all CQRS handlers by convention](https://event-driven.io/en/how_to_register_all_mediatr_handlers_by_convention/?utm_source=event_sourcing_net)

## Prerequisites

1. Install git - https://git-scm.com/downloads.

2. Install Java JDK 17 (or later) - https://www.oracle.com/java/technologies/downloads/.

3. Install IntelliJ, Eclipse, VSCode or other preferred IDE.

4. Install docker - https://docs.docker.com/engine/install/.

5. Open project folder.

## Running

1. Run: `docker-compose up`.

2. Wait until all dockers got are downloaded and running.

3. You should automatically get:

    - PG Admin - IDE for postgres. Available at: http://localhost:5050.

        - Login: `[email protected]`, Password: `admin`

        - To connect to server Use host: `postgres`, user: `postgres`, password: `Password12!`

4. Open, build and run `ECommerceApplication`.

    - Swagger should be available at: http://localhost:8080/swagger-ui/index.html

See also [.NET version of those samples](https://github.com/oskardudycz/cqrs-is-simpler-with-net-and-csharp).