Fix various deprecation warnings

config/test.exs

@@ -11,7 +11,7 @@ config :turn_junebug_expressway,
   rapidpro_client: TurnJunebugExpressway.Backends.ClientMock
 
 # Print only warnings and errors during test
-config :logger, level: :warn
+config :logger, level: :warning
 
 config :tesla, adapter: Tesla.Mock
 

lib/turn_junebug_expressway/application.ex

@@ -4,8 +4,6 @@ defmodule TurnJunebugExpressway.Application do
   # See https://hexdocs.pm/elixir/Application.html
   # for more information on OTP Applications
   def start(_type, _args) do
-    import Supervisor.Spec
-
     # Metrics
     TurnJunebugExpresswayWeb.PhoenixInstrumenter.setup()
     TurnJunebugExpresswayWeb.PipelineInstrumenter.setup()
@@ -14,11 +12,11 @@ defmodule TurnJunebugExpressway.Application do
     # Define workers and child supervisors to be supervised
     children = [
       # Start the endpoint when the application starts
-      supervisor(TurnJunebugExpresswayWeb.Endpoint, []),
+      TurnJunebugExpresswayWeb.Endpoint,
       # Start your own worker by calling: TurnJunebugExpressway.Worker.start_link(arg1, arg2, arg3)
-      # worker(TurnJunebugExpressway.Worker, [arg1, arg2, arg3]),
-      worker(TurnJunebugExpressway.MessageEngine, []),
-      worker(TurnJunebugExpressway.HttpPushEngine, []),
+      # {TurnJunebugExpressway.Worker, [arg1, arg2, arg3]},
+      {TurnJunebugExpressway.MessageEngine, name: TurnJunebugExpressway.MessageEngine},
+      {TurnJunebugExpressway.HttpPushEngine, name: TurnJunebugExpressway.HttpPushEngine},
       {Task.Supervisor, name: Task.ExpressSupervisor, restart: :transient}
     ]
 

mix.exs

@@ -5,9 +5,9 @@ defmodule TurnJunebugExpressway.Mixfile do
     [
       app: :turn_junebug_expressway,
       version: "0.0.18",
-      elixir: "~> 1.9",
+      elixir: "~> 1.17",
       elixirc_paths: elixirc_paths(Mix.env()),
-      compilers: [:phoenix, :gettext] ++ Mix.compilers(),
+      compilers: [:gettext] ++ Mix.compilers(),
       start_permanent: Mix.env() == :prod,
       aliases: aliases(),
       deps: deps(),

test/support/conn_case.ex

@@ -26,7 +26,7 @@ defmodule TurnJunebugExpresswayWeb.ConnCase do
     end
   end
 
-  setup tags do
+  setup _tags do
     {:ok, conn: Phoenix.ConnTest.build_conn()}
   end
 end

test/support/data_case.ex

@@ -14,8 +14,6 @@ defmodule TurnJunebugExpressway.DataCase do
 
   use ExUnit.CaseTemplate
 
-  alias Ecto.Adapters.SQL.Sandbox
-
   using do
     quote do
       import Ecto