Ecto ERD - Entity-Relationship Diagram generator for Ecto

Neat! Would be cool to be possible to generate input for https://dbdiagram.io.

Thank you for the suggestion, will add this to the roadmap

Added DBML support in version 0.2.0

Added QuickDBD support in version 0.3.0

@fuelen thank you so much! I just used Ecto.ERD and it worked nicely.

Very cool. Thanks a lot.
It could probably replace ERAlchemy the tool I’m still using for this kind of documentation task.

Added PlantUML support in version 0.4.0

Added Mermaid support in version 0.5.0

Just used this for a take-home coding assessment where I’m asked to dissect an existing Ecto schema and fix some related tests.

This lib and the ERD it generated were extremely helpful. Thank you for building this!

Looks awesome. Going to test it soon. Thanks!

Edit: Just tried all formats and my favourite one is PlantUML as it’s generating best graph images.

I would like to suggest small changes:

1. By default do not include migrations schema as it’s used only by ecto internally
2. Can you change the id to something like: id : id (schema_name.table_name) (as passed to schema macro)?
3. Can you also change other id fields to something like field_name : id (schema_name.table_name.foreign_key_field_name)
4. Could you by default use last 2 parts of Elixir module, so we have just short MyContext.MySchema instead of MyApp.MyContext.MySchema?

So for example instead of:

we would have: