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Modern web application should be user friendly and notify the User when time consuming operation is on the way, e.g. uploading file or downloading data. There are a some solutions for AngularJS which are fairy easy to integrate.

First one is Angular Loading Bar. It can be attached to your application with almost zero configuration and does not affect application design. It attaches the interceptor to $http service and displays a thin progressbar on the top edge of the page. Demo

Another component is angular-busy. It is more customizable and can show a spinner with backdrop above any page element. Just wrap it with <div cg-busy="..."/>. But it may require some customization. Demo

Also, there are some examples how to add loading indicator to ui-router.

I need to manage a small cloud server infrastructure. I have no intention to edit configs by hand all the time, nor write deployment scripts myself.

Instead, I’ll give a chance to Chef-Solo – a smaller sibling of well-known configuration management tool Chef.