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This package integrates Absinthe subscriptions with Phoenix, so that you can use subscriptions via websockets.

For getting started guides on subscriptions see:

For getting started guides on server side rendering see:


Install from

def deps do
  [{:absinthe_phoenix, "~> 1.4.0"}]

You need to have a working phoenix pubsub configured. Here is what the default looks like if you create a new phoenix project:

config :my_app, MyAppWeb.Endpoint,
  # ... other config
  pubsub: [name: MyApp.PubSub,
           adapter: Phoenix.PubSub.PG2]

In your application supervisor add a line AFTER your existing endpoint supervision line:

  # other children ...
  supervisor(MyAppWeb.Endpoint, []), # this line should already exist
  supervisor(Absinthe.Subscription, [MyAppWeb.Endpoint]), # add this line
  # other children ...

Where MyAppWeb.Endpoint is the name of your application's phoenix endpoint.

In your MyApp.Web.Endpoint module add:

use Absinthe.Phoenix.Endpoint

In your socket add:

Phoenix 1.3

use Absinthe.Phoenix.Socket,
  schema: MyAppWeb.Schema

Phoenix 1.2

  use Absinthe.Phoenix.Socket
  def connect(_params, socket) do
    socket = Absinthe.Phoenix.Socket.put_schema(socket, MyAppWeb.Schema)
    {:ok, socket}

Where MyAppWeb.Schema is the name of your Absinthe schema module.

That is all that's required for setup on the server.

For client side guidance see the guides

GraphiQL Usage

From within GraphiQL: To use Absinthe.Phoenix from within GraphiQL, you need to tell GraphiQL about your websocket endpoint.

forward "/graphiql", Absinthe.Plug.GraphiQL,
  schema: MyAppWeb.Schema,
  socket: MyAppWeb.UserSocket