Change the default db-channel-enabled config value from False to True (#1880)

src/PostgREST/CLI.hs

@@ -160,7 +160,7 @@ exampleConfigFile =
       |db-channel = "pgrst"
       |
       |## Enable or disable the notification channel
-      |db-channel-enabled = false
+      |db-channel-enabled = true
       |
       |## Enable in-database configuration
       |db-config = true

src/PostgREST/Config.hs

@@ -193,7 +193,7 @@ parser optPath env dbSettings =
     <$> parseAppSettings "app.settings"
     <*> reqString "db-anon-role"
     <*> (fromMaybe "pgrst" <$> optString "db-channel")
-    <*> (fromMaybe False <$> optBool "db-channel-enabled")
+    <*> (fromMaybe True <$> optBool "db-channel-enabled")
     <*> (maybe ["public"] splitOnCommas <$> optValue "db-extra-search-path")
     <*> optWithAlias (optInt "db-max-rows")
                      (optInt "max-rows")