commanded
Marten
commanded | Marten | |
---|---|---|
4 | 23 | |
1,791 | 2,670 | |
0.7% | 0.8% | |
7.9 | 9.8 | |
3 months ago | 6 days ago | |
Elixir | C# | |
MIT License | MIT License |
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Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
commanded
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Show HN: Light implementation of Event Sourcing using PostgreSQL as event store
This reminds me of Commanded[0] for elixir which also uses Postgresql by default.
[0]https://github.com/commanded/commanded
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Adding soft delete to a Phoenix Commanded (CQRS) API
So, I lied told a half-truth about aggregates. They are not hydrated in-memory for every command / event. In reality, aggregates are implemented with GenServer each caching their state and being managed under the commanded application's supervision tree (ultimately by a DynamicSupervisor called Commanded.Aggregates.Supervisor, to be specific).
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Using CQRS in a simple Phoenix API with Commanded
The Commanded hex package is a fabulous CQRS library used by some real companies in production, but it doesn't have a great on-ramp.
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Phoenix LiveView, but event-sourced
The context: I'm building a cryptocurrency exchange application. I don't have the business chops to run an actual exchange, so this is just for fun. The application is built in Elixir, using the Commanded framework for CQRS/ES goodness, and Phoenix LiveView because it's the hot new thing that I wanted to learn.
Marten
- Marten – .NET Transactional Document DB and Event Store on PostgreSQL
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Dapper vs. Entity Framework With Postgres
Id recommend trying out MartenDb. It's not really a PostgreSQL ORM, it actually uses Postgres more as a document database via jsonb. But it's excruciatingly easy to use and schema updates are a breeze (and largely automatic)
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Show HN: Light implementation of Event Sourcing using PostgreSQL as event store
Check out Marten for a fully fleshed out implementation https://github.com/JasperFx/marten
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Is anyone using Dapr
We are using ExtCore here to make our app modular: https://extcore.net/, and MartenDB for event store (which is surprisingly VERY simple) : https://martendb.io/
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Yet another embedded DB (kind of)
I always loved Marten, it is so simple to use and yet powerful. If you are unfamiliar with it, it is a data access library (like an ORM) that is using JSON serialization and LINQ to store and query data from/to Postgres. It basically turns Postgres into document DB. Comparing it to EF, Marten doesn't require migrations since it stores documents.
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This article is covering the potential problems you will face when using MongoDB for typical relational tasks.
You're better off using Postgres (has JSON columns.) If you want a more "document" oriented experience, use Marten: https://martendb.io/
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Self-Paced Kit: Introduction to Event Sourcing with Node.js and TypeScript
For that part, the samples use EventStoreDB (https://www.eventstore.com/), which is the only mature event store I know in Node.js land. Event Sourcing allows using any database as backing storage. I'm co-maintainer of the Marten (https://martendb.io/), which is a .NET library that allows using Postgres as event store and document db.
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CQRS is simpler than you think with C#11 and .NET 7!
Then you should check out Marten (https://martendb.io/). Our intention is to remove the boilerplate, we're using Postgres e having the built-in projections.
- Event-driven projections in Marten explained
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Marten, a Crystal web framework that makes building web apps productive and fun
Not to be confused with the C# document database built on Postgres.
https://martendb.io/
What are some alternatives?
ex_admin - ExAdmin is an auto administration package for Elixir and the Phoenix Framework
Event Store - EventStoreDB, the event-native database. Designed for Event Sourcing, Event-Driven, and Microservices architectures
graphql_parser - Elixir binding for libgraphqlparser
MongoDB - The MongoDB Database
plug - Compose web applications with functions
RavenDB - ACID Document Database
plug_cloudflare - Parses CloudFlare's CF-Connecting-IP header into Plug.Conn's remote_ip field.
Yessql - A .NET document database working on any RDBMS
phoenix_live_reload - Provides live-reload functionality for Phoenix
efcore.pg - Entity Framework Core provider for PostgreSQL
torch - A rapid admin generator for Elixir & Phoenix
LiteDB - LiteDB - A .NET NoSQL Document Store in a single data file