diff --git a/config/config.exs b/config/config.exs
index 4120697..71e59a9 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -3,7 +3,7 @@
 #
 # This configuration file is loaded before any dependency and
 # is restricted to this project.
-use Mix.Config
+import Config
 
 # General application configuration
 config :zero_phoenix,
diff --git a/config/dev.exs b/config/dev.exs
index 88e4734..5b08a86 100644
--- a/config/dev.exs
+++ b/config/dev.exs
@@ -1,4 +1,4 @@
-use Mix.Config
+import Config
 
 # Configure your database
 config :zero_phoenix, ZeroPhoenix.Repo,
diff --git a/config/prod.exs b/config/prod.exs
index 71657c2..fd47c0e 100644
--- a/config/prod.exs
+++ b/config/prod.exs
@@ -1,4 +1,4 @@
-use Mix.Config
+import Config
 
 # For production, don't forget to configure the url host
 # to something meaningful, Phoenix uses this information
@@ -52,4 +52,4 @@ config :logger, level: :info
 
 # Finally import the config/prod.secret.exs which loads secrets
 # and configuration from environment variables.
-import_config "prod.secret.exs"
+# import_config "prod.secret.exs"
diff --git a/config/prod.secret.exs b/config/prod.secret.exs
deleted file mode 100644
index e72f313..0000000
--- a/config/prod.secret.exs
+++ /dev/null
@@ -1,41 +0,0 @@
-# In this file, we load production configuration and secrets
-# from environment variables. You can also hardcode secrets,
-# although such is generally not recommended and you have to
-# remember to add this file to your .gitignore.
-use Mix.Config
-
-database_url =
-  System.get_env("DATABASE_URL") ||
-    raise """
-    environment variable DATABASE_URL is missing.
-    For example: ecto://USER:PASS@HOST/DATABASE
-    """
-
-config :zero_phoenix, ZeroPhoenix.Repo,
-  # ssl: true,
-  url: database_url,
-  pool_size: String.to_integer(System.get_env("POOL_SIZE") || "10")
-
-secret_key_base =
-  System.get_env("SECRET_KEY_BASE") ||
-    raise """
-    environment variable SECRET_KEY_BASE is missing.
-    You can generate one by calling: mix phx.gen.secret
-    """
-
-config :zero_phoenix, ZeroPhoenixWeb.Endpoint,
-  http: [
-    port: String.to_integer(System.get_env("PORT") || "4000"),
-    transport_options: [socket_opts: [:inet6]]
-  ],
-  secret_key_base: secret_key_base
-
-# ## Using releases (Elixir v1.9+)
-#
-# If you are doing OTP releases, you need to instruct Phoenix
-# to start each relevant endpoint:
-#
-config :zero_phoenix, ZeroPhoenixWeb.Endpoint, server: true
-#
-# Then you can assemble a release by calling `mix release`.
-# See `mix help release` for more information.
diff --git a/config/test.exs b/config/test.exs
index e27847b..4eb91e6 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -1,4 +1,4 @@
-use Mix.Config
+import Config
 
 # Configure your database
 #
diff --git a/mix.exs b/mix.exs
index b91372f..e23b0e2 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,10 +4,10 @@ defmodule ZeroPhoenix.Mixfile do
   def project do
     [
       app: :zero_phoenix,
-      version: "2.4.2",
+      version: "2.4.4",
       elixir: "~> 1.13.0-dev",
       elixirc_paths: elixirc_paths(Mix.env()),
-      compilers: [:phoenix, :gettext] ++ Mix.compilers(),
+      compilers: [:gettext] ++ Mix.compilers(),
       start_permanent: Mix.env() == :prod,
       aliases: aliases(),
       deps: deps()
diff --git a/test/zero_phoenix_web/schema/query/people_test.exs b/test/zero_phoenix_web/schema/query/people_test.exs
new file mode 100644
index 0000000..1dc3002
--- /dev/null
+++ b/test/zero_phoenix_web/schema/query/people_test.exs
@@ -0,0 +1,95 @@
+defmodule ZeroPhoenixWeb.Schema.Query.PeopleTest do
+  use ZeroPhoenixWeb.ConnCase, async: true
+
+  import Ecto.Query
+
+  alias ZeroPhoenix.Account.Person
+  alias ZeroPhoenix.Repo
+
+  setup do
+    ZeroPhoenix.Seeds.run()
+  end
+
+  test "get people by IDs" do
+    query = """
+      query GetPeople($ids: [ID]) {
+        people(ids: $ids) {
+          firstName
+          lastName
+        }
+      }
+    """
+
+   people_ids =
+      Person
+      |> select([:id])
+      |> order_by(asc: :id)
+      |> limit(2)
+      |> Repo.all()
+      |> Enum.map(fn person -> person.id end)
+
+    response =
+      post(
+        build_conn(),
+        "/graphql",
+        query: query,
+        variables: %{"ids" => people_ids}
+      )
+
+    assert json_response(response, 200) == %{
+      "data" => %{
+        "people" => [
+          %{
+            "firstName" => "Conrad",
+            "lastName" => "Taylor"
+          },
+          %{
+            "firstName" => "David",
+            "lastName" => "Heinemeier Hansson"
+          }
+        ]
+      }
+    }
+  end
+
+  test "get people" do
+    query = """
+      query GetPeople {
+        people {
+          firstName
+          lastName
+        }
+      }
+    """
+
+    response =
+      post(
+        build_conn(),
+        "/graphql",
+        query: query
+      )
+
+    assert json_response(response, 200) == %{
+      "data" => %{
+        "people" => [
+          %{
+            "firstName" => "Conrad",
+            "lastName" => "Taylor"
+          },
+          %{
+            "firstName" => "David",
+            "lastName" => "Heinemeier Hansson"
+          },
+          %{
+            "firstName" => "Ezra",
+            "lastName" => "Zygmuntowicz"
+          },
+          %{
+            "firstName" => "Yukihiro",
+            "lastName" => "Matsumoto"
+          }
+        ]
+      }
+    }
+  end
+end
diff --git a/test/zero_phoenix_web/schema/query/person_test.exs b/test/zero_phoenix_web/schema/query/person_test.exs
index dd45ede..1ddc698 100644
--- a/test/zero_phoenix_web/schema/query/person_test.exs
+++ b/test/zero_phoenix_web/schema/query/person_test.exs
@@ -10,15 +10,15 @@ defmodule ZeroPhoenixWeb.Schema.Query.PersonTest do
     ZeroPhoenix.Seeds.run()
   end
 
-  @query """
-  query GetPerson($personId: ID!) {
-    person(id: $personId) {
-      email
-    }
-  }
-  """
-
   test "get person by ID" do
+    query = """
+      query GetPerson($personId: ID!) {
+        person(id: $personId) {
+          email
+        }
+      }
+    """
+
     person =
       Person
       |> first()
@@ -28,16 +28,16 @@ defmodule ZeroPhoenixWeb.Schema.Query.PersonTest do
       post(
         build_conn(),
         "/graphql",
-        query: @query,
+        query: query,
         variables: %{"personId" => person.id}
       )
 
     assert json_response(response, 200) == %{
-             "data" => %{
-               "person" => %{
-                 "email" => "conradwt@gmail.com"
-               }
-             }
-           }
+      "data" => %{
+        "person" => %{
+          "email" => "conradwt@gmail.com"
+        }
+      }
+    }
   end
 end