diff --git a/installer/lib/phoenix_new.ex b/installer/lib/phoenix_new.ex
index fa658dc8c0..8a1dc50fca 100644
--- a/installer/lib/phoenix_new.ex
+++ b/installer/lib/phoenix_new.ex
@@ -426,17 +426,16 @@ defmodule Mix.Tasks.Phoenix.New do
     {:sqlite_ecto, Sqlite.Ecto,
       dev:  [database: "db/#{app}_dev.sqlite"],
       test: [database: "db/#{app}_test.sqlite", pool: Ecto.Adapters.SQL.Sandbox],
-      prod: [database: "db/#{app}_prod.sqlite"],
-      test_begin: "Ecto.Adapters.SQL.begin_test_transaction(#{module}.Repo)",
-      test_restart: "Ecto.Adapters.SQL.restart_test_transaction(#{module}.Repo, [])"}
+      prod: [database: "db/#{app}_prod.sqlite"]}
   end
   defp get_ecto_adapter("mongodb", app, module) do
     {:mongodb_ecto, Mongo.Ecto,
      dev:  [database: "#{app}_dev"],
      test: [database: "#{app}_test", pool_size: 1],
      prod: [database: "#{app}_prod"],
-     test_begin: "",
-     test_restart: "Mongo.Ecto.truncate(#{module}.Repo, [])",
+     test_setup_all: "",
+     test_setup: "",
+     test_async: "Mongo.Ecto.truncate(#{module}.Repo, [])",
      binary_id: true,
      migration: false,
      sample_binary_id: "111111111111111111111111"}
@@ -450,8 +449,9 @@ defmodule Mix.Tasks.Phoenix.New do
      test: [username: user, password: pass, database: "#{app}_test", hostname: "localhost",
             pool: Ecto.Adapters.SQL.Sandbox],
      prod: [username: user, password: pass, database: "#{app}_prod"],
-     test_begin: "Ecto.Adapters.SQL.begin_test_transaction(#{module}.Repo)",
-     test_restart: "Ecto.Adapters.SQL.restart_test_transaction(#{module}.Repo, [])"]
+     test_setup_all: "Ecto.Adapters.SQL.Sandbox.mode(#{module}.Repo, :manual)",
+     test_setup: ":ok = Ecto.Adapters.SQL.Sandbox.checkout(#{module}.Repo)",
+     test_async: "Ecto.Adapters.SQL.Sandbox.mode(#{module}.Repo, {:shared, self()})"]
   end
 
   defp kw_to_config(kw) do
diff --git a/installer/templates/ecto/model_case.ex b/installer/templates/ecto/model_case.ex
index c80801f65f..09bfc79a17 100644
--- a/installer/templates/ecto/model_case.ex
+++ b/installer/templates/ecto/model_case.ex
@@ -26,8 +26,10 @@ defmodule <%= application_module %>.ModelCase do
   end
 
   setup tags do
+    <%= adapter_config[:test_setup] %>
+
     unless tags[:async] do
-      <%= adapter_config[:test_restart] %>
+      <%= adapter_config[:test_async] %>
     end
 
     :ok
diff --git a/installer/templates/new/config/config.exs b/installer/templates/new/config/config.exs
index 9bed619131..7109202e29 100644
--- a/installer/templates/new/config/config.exs
+++ b/installer/templates/new/config/config.exs
@@ -4,11 +4,12 @@
 # This configuration file is loaded before any dependency and
 # is restricted to this project.
 use Mix.Config
-<%= if namespaced? do %>
-# Configures the namespace used by Phoenix generators
+
+# General application configuration
 config :<%= application_name %>,
-  app_namespace: <%= application_module %>
-<% end %>
+<%= if namespaced? do %>  app_namespace: <%= application_module %>,<% end %>
+  ecto_repos: [<%= application_module %>.Repo]
+
 # Configures the endpoint
 config :<%= application_name %>, <%= application_module %>.Endpoint,
   url: [host: "localhost"],
diff --git a/installer/templates/new/mix.exs b/installer/templates/new/mix.exs
index 54d707c5cc..5a5bf7a6ea 100644
--- a/installer/templates/new/mix.exs
+++ b/installer/templates/new/mix.exs
@@ -35,13 +35,13 @@ defmodule <%= application_module %>.Mixfile do
   # Type `mix help deps` for examples and options.
   defp deps do
     [<%= phoenix_dep %>,<%= if ecto do %>
-     {:phoenix_ecto, "~> 2.0"},
+     {:phoenix_ecto, "~> 3.0-rc"},
      {<%= inspect adapter_app %>, ">= 0.0.0"},<% end %><%= if html do %>
-     {:phoenix_html, "~> 2.3"},
+     {:phoenix_html, "~> 2.5"},
      {:phoenix_live_reload, "~> 1.0", only: :dev},<% end %>
      # TODO move to hex release
      {:phoenix_pubsub, github: "phoenixframework/phoenix_pubsub"},
-     {:gettext, "~> 0.9"},
+     {:gettext, "~> 0.11"},
      {:cowboy, "~> 1.0"}]
   end<%= if ecto do %>
 
@@ -53,6 +53,7 @@ defmodule <%= application_module %>.Mixfile do
   # See the documentation for `Mix` for more info on aliases.
   defp aliases do
     ["ecto.setup": ["ecto.create", "ecto.migrate", "run priv/repo/seeds.exs"],
-     "ecto.reset": ["ecto.drop", "ecto.setup"]]
+     "ecto.reset": ["ecto.drop", "ecto.setup"],
+     "test": ["ecto.create", "ecto.migrate", "test"]]
   end<% end %>
 end
diff --git a/installer/templates/new/test/support/channel_case.ex b/installer/templates/new/test/support/channel_case.ex
index 25c12062a3..f993533d17 100644
--- a/installer/templates/new/test/support/channel_case.ex
+++ b/installer/templates/new/test/support/channel_case.ex
@@ -32,8 +32,10 @@ defmodule <%= application_module %>.ChannelCase do
   end
 
   setup tags do
-<%= if ecto do %>    unless tags[:async] do
-      <%= adapter_config[:test_restart] %>
+<%= if ecto do %>    <%= adapter_config[:test_setup] %>
+
+    unless tags[:async] do
+      <%= adapter_config[:test_async] %>
     end
 <% end %>
     :ok
diff --git a/installer/templates/new/test/support/conn_case.ex b/installer/templates/new/test/support/conn_case.ex
index d11e601d00..a86854fe91 100644
--- a/installer/templates/new/test/support/conn_case.ex
+++ b/installer/templates/new/test/support/conn_case.ex
@@ -33,8 +33,10 @@ defmodule <%= application_module %>.ConnCase do
   end
 
   setup tags do
-<%= if ecto do %>    unless tags[:async] do
-      <%= adapter_config[:test_restart] %>
+<%= if ecto do %>    <%= adapter_config[:test_setup] %>
+
+    unless tags[:async] do
+      <%= adapter_config[:test_async] %>
     end
 <% end %>
     {:ok, conn: Phoenix.ConnTest.build_conn()}
diff --git a/installer/templates/new/test/test_helper.exs b/installer/templates/new/test/test_helper.exs
index 7ded20b1fd..647f3fa56b 100644
--- a/installer/templates/new/test/test_helper.exs
+++ b/installer/templates/new/test/test_helper.exs
@@ -1,6 +1,4 @@
 ExUnit.start
 <%= if ecto do %>
-Mix.Task.run "ecto.create", ~w(-r <%= application_module %>.Repo --quiet)
-Mix.Task.run "ecto.migrate", ~w(-r <%= application_module %>.Repo --quiet)
-<%= adapter_config[:test_begin] %>
+<%= adapter_config[:test_setup_all] %>
 <% end %>
diff --git a/priv/templates/phoenix.gen.html/controller.ex b/priv/templates/phoenix.gen.html/controller.ex
index d8cfe6ee62..61b7d4d1e4 100644
--- a/priv/templates/phoenix.gen.html/controller.ex
+++ b/priv/templates/phoenix.gen.html/controller.ex
@@ -3,8 +3,6 @@ defmodule <%= module %>Controller do
 
   alias <%= module %>
 
-  plug :scrub_params, <%= inspect singular %> when action in [:create, :update]
-
   def index(conn, _params) do
     <%= plural %> = Repo.all(<%= alias %>)
     render(conn, "index.html", <%= plural %>: <%= plural %>)
diff --git a/priv/templates/phoenix.gen.json/controller.ex b/priv/templates/phoenix.gen.json/controller.ex
index 12afd4b0d6..69b16178ba 100644
--- a/priv/templates/phoenix.gen.json/controller.ex
+++ b/priv/templates/phoenix.gen.json/controller.ex
@@ -3,8 +3,6 @@ defmodule <%= module %>Controller do
 
   alias <%= module %>
 
-  plug :scrub_params, <%= inspect singular %> when action in [:create, :update]
-
   def index(conn, _params) do
     <%= plural %> = Repo.all(<%= alias %>)
     render(conn, "index.json", <%= plural %>: <%= plural %>)
diff --git a/priv/templates/phoenix.gen.model/model.ex b/priv/templates/phoenix.gen.model/model.ex
index 05cbb2c631..b47ba97dae 100644
--- a/priv/templates/phoenix.gen.model/model.ex
+++ b/priv/templates/phoenix.gen.model/model.ex
@@ -8,18 +8,19 @@ defmodule <%= module %> do
     timestamps
   end
 
-  @required_fields ~w(<%= Enum.map_join(attrs, " ", &elem(&1, 0)) %>)
-  @optional_fields ~w()
+  @required_fields [<%= Enum.map_join(attrs, ", ", &inspect(elem(&1, 0))) %>]
+  @optional_fields []
 
   @doc """
-  Creates a changeset based on the `model` and `params`.
+  Creates a changeset based on the `struct` and `params`.
 
   If no params are provided, an invalid changeset is returned
   with no validation performed.
   """
-  def changeset(model, params \\ :empty) do
-    model
-    |> cast(params, @required_fields, @optional_fields)
+  def changeset(struct, params \\ %{}) do
+    struct
+    |> cast(params, @required_fields ++ @optional_fields)
+    |> validate_required(@required_fields)
 <%= for k <- uniques do %>    |> unique_constraint(<%= inspect k %>)
 <% end %>  end
 end