fix(updater): do not pin CPU at 100% while waiting for next run

legacy/updater.lua

@@ -1,7 +1,11 @@
 local cjson = require('cjson')
 local http = require('socket.http')
-local stdlib = require('posix.stdlib')
 local redis = require('redis')
+local socket = require('socket')
+local stdlib = require('posix.stdlib')
+
+-- TODO: Logging formatting
+-- TODO: Monitoring
 
 local client = redis.connect('redis', 6379)
 
@@ -85,4 +89,5 @@ while true do
         end
         last_update_time = current_time
     end
+    socket.sleep(1)
 end