opendrops / phoenix-pubsub-postgres

Postgresql PubSub adapter for Phoenix apps

PhoenixPubSubPostgres

This package provides postgres adapater for Phoenix's Pub/Sub channels.

Demo

Open pgchat.opendrops.com in two different browsers windows and start sending some messages. The message passing is handled by postgres's built-in [pubsub support] (http://www.postgresql.org/docs/9.1/static/sql-notify.html)

Demo app source

Source code of the demo app is available at http://github.com/opendrops/pgchat-demo-app

How to use

Add phoenix_pubsub_postgres to your mix deps

defp deps do
  [{:phoenix, github: "phoenixframework/phoenix", override: true},
   {:phoenix_pubsub_postgres, "~> 0.0.2"},
   {:postgrex, ">= 0.0.0"},
   {:cowboy, "~> 1.0"}]
end

To use Postgres as your PubSub adapter, simply add it to your Endpoint's config and modify it as needed.

config :my_app, MyApp.Endpiont,
  ...
  pubsub: [name: MyApp.PubSub,
           adapter: PhoenixPubSubPostgres,
           hostname: "localhost",
           database: "myapp_db_env",
           username: "postgres",
           password: "postgres"]