fix

apps/efka/src/efka_sup.erl

@@ -27,7 +27,16 @@ start_link() ->
 %%                  modules => modules()}   % optional
 init([]) ->
     SupFlags = #{strategy => one_for_one, intensity => 1000, period => 3600},
-    ChildSpecs = [],
+    ChildSpecs = [
+        #{
+            id => 'efka_server_sup',
+            start => {'efka_server_sup', start_link, []},
+            restart => permanent,
+            shutdown => 2000,
+            type => supervisor,
+            modules => ['efka_server_sup']
+        }
+    ],
     {ok, {SupFlags, ChildSpecs}}.
 
 %% internal functions