eWSrv/src/eWSrv_sup.erl

-module(eWSrv_sup).

-behaviour(supervisor).

-export([start_link/0]).

-export([init/1]).

-define(SERVER, ?MODULE).

start_link() ->
   supervisor:start_link({local, ?SERVER}, ?MODULE, []).

init([]) ->
   SupFlags = #{strategy => one_for_all,
      intensity => 0,
      period => 1},
   ChildSpecs = [],
   {ok, {SupFlags, ChildSpecs}}.