Add very simple context for face gallery.

lib/faces/gallery/gallery.ex

@@ -0,0 +1,23 @@
+defmodule Faces.Gallery do
+  @moduledoc """
+  The Gallery context.
+  """
+
+  import Ecto.Query, warn: false
+  alias Faces.Repo
+
+  alias Faces.Gallery.Person
+
+  @doc """
+  Returns the list of people.
+
+  ## Examples
+
+      iex> list_people()
+      [%Person{}, ...]
+
+  """
+  def list_people do
+    Repo.all(Person)
+  end
+end

lib/faces/gallery/person.ex

@@ -0,0 +1,20 @@
+defmodule Faces.Gallery.Person do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+
+  schema "people" do
+    field :avatar_url, :string
+    field :location, :string
+    field :name, :string
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(person, attrs) do
+    person
+    |> cast(attrs, [:name, :location, :avatar_url])
+    |> validate_required([:name, :location, :avatar_url])
+  end
+end

priv/repo/migrations/20180407212640_create_people.exs

@@ -0,0 +1,14 @@
+defmodule Faces.Repo.Migrations.CreatePeople do
+  use Ecto.Migration
+
+  def change do
+    create table(:people) do
+      add :name, :string
+      add :location, :string
+      add :avatar_url, :string
+
+      timestamps()
+    end
+
+  end
+end

test/faces/gallery/gallery_test.exs

@@ -0,0 +1,4 @@
+defmodule Faces.GalleryTest do
+  use Faces.DataCase
+  alias Faces.Gallery
+end