From 46eed25a9476d213c3ba0c356ca90c47ac7a82d2 Mon Sep 17 00:00:00 2001
From: shibao <shibao@bubbletea.dev>
Date: Sat, 22 Jan 2022 20:12:32 -0500
Subject: [PATCH] only start automigrator in prod env

---
 config/config.exs        |  2 ++
 config/prod.exs          |  2 ++
 lib/lokal/application.ex | 10 +++++++---
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/config/config.exs b/config/config.exs
index ad87349d..9b1383da 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -20,6 +20,8 @@ config :lokal, LokalWeb.Endpoint,
   pubsub_server: Lokal.PubSub,
   live_view: [signing_salt: "zOLgd3lr"]
 
+config :lokal, Lokal.Application, automigrate: false
+
 # Configures the mailer
 #
 # By default it uses the "Local" adapter which stores the emails
diff --git a/config/prod.exs b/config/prod.exs
index d5108f0c..8b6f6404 100644
--- a/config/prod.exs
+++ b/config/prod.exs
@@ -18,6 +18,8 @@ config :lokal, Lokal.Repo,
   url: "ecto://postgres:postgres@localhost/lokal",
   pool_size: 10
 
+config :lokal, Lokal.Application, automigrate: true
+
 # Do not print debug messages in production
 config :logger, level: :info
 
diff --git a/lib/lokal/application.ex b/lib/lokal/application.ex
index a1799b9f..c55cf910 100644
--- a/lib/lokal/application.ex
+++ b/lib/lokal/application.ex
@@ -15,13 +15,17 @@ defmodule Lokal.Application do
       # Start the PubSub system
       {Phoenix.PubSub, name: Lokal.PubSub},
       # Start the Endpoint (http/https)
-      LokalWeb.Endpoint,
+      LokalWeb.Endpoint
       # Start a worker by calling: Lokal.Worker.start_link(arg)
       # {Lokal.Worker, arg}
-      # Automatically migrate on start
-      Lokal.Repo.Migrator
     ]
 
+    # Automatically migrate on start in prod
+    children =
+      if Application.get_env(:lokal, Lokal.Application, automigrate: false)[:automigrate],
+        do: children ++ [Lokal.Repo.Migrator],
+        else: children
+
     # See https://hexdocs.pm/elixir/Supervisor.html
     # for other strategies and supported options
     opts = [strategy: :one_for_one, name: Lokal.Supervisor]