fix(reset): Restarting app after 4 hours, not 8

bin/server.js

@@ -94,12 +94,12 @@ class Server {
       // Attach the other IPFS controllers
       await controllers.attachControllers(app)
 
-      // ipfs-coord has a memory leak. This app shuts down after 8 hours. It
+      // ipfs-coord has a memory leak. This app shuts down after 4 hours. It
       // expects to be run by Docker or pm2, which can automatically restart
       // the app.
       setTimeout(function () {
         process.exit(0)
-      }, 60000 * 60 * 8)
+      }, 60000 * 60 * 4)
 
       return app
     } catch (err) {