Renamed GraphQL route, added support for GET requests

config/routes.rb

@@ -263,9 +263,9 @@ Rails.application.routes.draw do
   end
 
   # GraphQL
-  mount GraphiQL::Rails::Engine, at: "/graphiql", graphql_path: "/queries"
-  post '/queries', to: 'graphql#query'
-
+  mount GraphiQL::Rails::Engine, at: '/graphiql', graphql_path: '/graphql'
+  get '/graphql', to: 'graphql#query'
+  post '/graphql', to: 'graphql#query'
 
   if Rails.env.development?
     mount LetterOpenerWeb::Engine, at: "/letter_opener"

spec/controllers/graphql_controller_spec.rb

@@ -1,7 +1,7 @@
 require 'rails_helper'
 
 describe GraphqlController do
-  let!(:uri) { URI::HTTP.build(host: 'localhost', path: '/queries', port: 3000) }
+  let!(:uri) { URI::HTTP.build(host: 'localhost', path: '/graphql', port: 3000) }
 
   describe "GET request" do
     it "is accepted when valid" do