![]() What does this mean? Pushing the Run App button led to running the runApp() command. Let's take the following file named app.R: library(shiny) Therefore, we cannot just copy the HTML output to a server, like we would with a static website. Besides being just an HTML file at the end, it requires the websocket server in the background to constantly update the application state when the user interacts with the web page. In a previous post, you have seen how a Shiny app is structured. So let's review the options! How to run Shiny locally The most important reason for reviewing how to run Shiny apps locally is that the practices that let you run the Shiny app locally are the same practices you can use when deploying your apps to remote servers. In such cases, the Shiny apps are often included in functions, i.e. ![]() Putting your Shiny app inside an R package is especially useful when the app is used to augment the command line capabilities of the package. However, sharing Shiny apps this way leaves installing dependencies up to the user.ĭistributing Shiny apps as part of an R package takes care of dependency management. When the audiences of a Shiny app are R users, it makes sense to share the app as a Gist, GitHub repository, or a zip file. They can run the app themselves if they are R savvy enough. The source code for the app can be shared with collaborators, clients, and users. ![]() Of course, testing goes way beyond just opening up the app, read more about best practices for engineering Shiny apps in this excellent book written by ThinkR folks. First and foremost, that is how you can test the app if you are the developer. There are a couple of reasons why running Shiny apps locally is necessary. Why bother reviewing all this? Well, as you will see in subsequent posts, this is the foundation for all the other kinds of hosting options. In this post, you'll see a few ways of how to organize your files to be served locally. You only need the shiny R package installed, and you can run the app in your browser. But the simplest way to run a Shiny app is to run it locally. You might be eager to deploy your Shiny app to a remote server. The simplest way to run a Shiny app is to run it locally.
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