switch to sqlite, generate new project as 'quip'

lib/quip/application.ex

@@ -0,0 +1,44 @@
+defmodule Quip.Application do
+  # See https://hexdocs.pm/elixir/Application.html
+  # for more information on OTP Applications
+  @moduledoc false
+
+  use Application
+
+  @impl true
+  def start(_type, _args) do
+    children = [
+      QuipWeb.Telemetry,
+      Quip.Repo,
+      {Ecto.Migrator,
+        repos: Application.fetch_env!(:quip, :ecto_repos),
+        skip: skip_migrations?()},
+      {DNSCluster, query: Application.get_env(:quip, :dns_cluster_query) || :ignore},
+      {Phoenix.PubSub, name: Quip.PubSub},
+      # Start the Finch HTTP client for sending emails
+      {Finch, name: Quip.Finch},
+      # Start a worker by calling: Quip.Worker.start_link(arg)
+      # {Quip.Worker, arg},
+      # Start to serve requests, typically the last entry
+      QuipWeb.Endpoint
+    ]
+
+    # See https://hexdocs.pm/elixir/Supervisor.html
+    # for other strategies and supported options
+    opts = [strategy: :one_for_one, name: Quip.Supervisor]
+    Supervisor.start_link(children, opts)
+  end
+
+  # Tell Phoenix to update the endpoint configuration
+  # whenever the application is updated.
+  @impl true
+  def config_change(changed, _new, removed) do
+    QuipWeb.Endpoint.config_change(changed, removed)
+    :ok
+  end
+
+  defp skip_migrations?() do
+    # By default, sqlite migrations are run when using a release
+    System.get_env("RELEASE_NAME") != nil
+  end
+end

lib/quip/mailer.ex

@@ -0,0 +1,3 @@
+defmodule Quip.Mailer do
+  use Swoosh.Mailer, otp_app: :quip
+end

lib/quip/release.ex

@@ -0,0 +1,28 @@
+defmodule Quip.Release do
+  @moduledoc """
+  Used for executing DB release tasks when run in production without Mix
+  installed.
+  """
+  @app :quip
+
+  def migrate do
+    load_app()
+
+    for repo <- repos() do
+      {:ok, _, _} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :up, all: true))
+    end
+  end
+
+  def rollback(repo, version) do
+    load_app()
+    {:ok, _, _} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :down, to: version))
+  end
+
+  defp repos do
+    Application.fetch_env!(@app, :ecto_repos)
+  end
+
+  defp load_app do
+    Application.load(@app)
+  end
+end

lib/quip/repo.ex

@@ -0,0 +1,5 @@
+defmodule Quip.Repo do
+  use Ecto.Repo,
+    otp_app: :quip,
+    adapter: Ecto.Adapters.SQLite3
+end