only start automigrator in prod env

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

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