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Conduit

Discover why functional languages, such as Elixir, are ideally suited to building applications following the command query responsibility segregation and event sourcing (CQRS/ES) pattern.

Conduit is a blogging platform, an exemplary Medium.com clone, built as a Phoenix web application.

This is the full source code to accompany the "Building Conduit" eBook.

This book is for anyone who has an interest in CQRS/ES and Elixir. It demonstrates step-by-step how to build an Elixir application implementing the CQRS/ES pattern using the Commanded open source library.

MIT License

Getting started

Conduit is an Elixir application using Phoenix 1.4 and PostgreSQL for persistence.

Prerequisites

You must install the following dependencies before starting:

• Git.
• Elixir (v1.6 or later).
• PostgreSQL database (v9.5 or later).

Configuring Conduit

1. Clone the Git repo from GitHub:

   $ git clone https://github.com/slashdotdash/conduit.git
   

2. Install mix dependencies:

   $ cd conduit
   $ mix deps.get
   

3. Create the event store database:

   $ mix do event_store.create, event_store.init
   

4. Create the read model store database:

   $ mix do ecto.create, ecto.migrate
   

5. Run the Phoenix server:

   $ mix phx.server
   

This will start the web server on localhost, port 4000: http://0.0.0.0:4000

This application only includes the API back-end, serving JSON requests.

You need to choose a front-end from those listed in the RealWorld repo. Follow the installation instructions for the front-end you select. The most popular implementations are listed below.

• React / Redux
• Elm
• Angular 4+
• Angular 1.5+
• React / MobX

Any of these front-ends should integrate with the Conduit back-end due to their common API.

Running the tests

MIX_ENV=test mix event_store.create
MIX_ENV=test mix event_store.init
MIX_ENV=test mix ecto.create
MIX_ENV=test mix ecto.migrate
mix test

Need help?

Please submit an issue if you encounter a problem, or need support.