update

phoenix/deps/telemetry_poller/src/telemetry_poller_sup.erl

@@ -0,0 +1,18 @@
+%% @private
+-module(telemetry_poller_sup).
+
+-behaviour(supervisor).
+
+-export([start_link/1]).
+-export([init/1]).
+
+-define(SERVER, ?MODULE).
+
+start_link(PollerChildSpec) ->
+    supervisor:start_link({local, ?SERVER}, ?MODULE, PollerChildSpec).
+
+init(PollerChildSpec) ->
+    SupFlags = #{strategy => one_for_one,
+                 intensity => 1,
+                 period => 5},
+    {ok, {SupFlags, PollerChildSpec}}.