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Deploy custom HTML5 – digital signage

Are you a developer? A digital signage agency? Do you want to create your own web content and deploy it instantly to screens?

This video demonstrates how quick and easy it is (even for a junior web developer) to deploy HTML5 code/a custom web solution to digital signage screens. It could be a simple or the most complex data-driven application. With Signage Rocket’s architecture, you don’t need to worry about how the application gets distributed to all those different digital signage displays.

Benefits of Signage Rocket Architecture

Benefits of using Signage Rocket’s architecture:

  • Scalability: no matter how much traffic there is, how many devices you have, we handle all that workload, data is delivered in real-time, there are no hardware constraints
  • Security:you don’t need to open up your own system to outside calls, separate calls from each display. You decide what you send us and we will distribute that data securely to your devices. No firewall to open on your side. There is no public access to your application or data.
  • Focus on core activities: It allows even a junior developer, UI designer with a basic knowledge of Javascript to tap into our system. This can be really beneficial for companies whose focus is more on content creation and want a quick , easy way to deploy a scalable solution to a network of screens/ displays
  • Cost and efficiency savings: you use Signage Rocket’s architecture so you don’t need to worry about setting up any servers.

Professional digital signage displays with SoC (System On Chip) used in this demo:

  • Samsung QB43N, running on SSSP6, Tizen 4.0
  • Samsung DB43J, running on SSSP5, Tizen 3.0
  • Samsung PM32F, running on SSSP4, Tizen 2.4
  • LG SM5KD, running on webOS 3.2 (3.0+)

as well as a digital signage media player: BrightSign HD1023 / v7.1.95

How to Deploy Your HTML5 App

To deploy your custom application:

  1. Create a custom app template in the App Store
  2. Upload the code
  3. Add the app to My Apps
  4. Assign the app to display

There are 2 main methods of how to deploy your HTML5 code:

  • UPLOAD – demonstrated in this video
  • CLI (more advanced way, ability to automate everything e.g. Continous Integration, Continous Delivery).

The exemplary application consists of simple HTML, JS, CSS and image assets. The code can be written in any technology e.g. vanilla Javascript, Angular or React etc. What is important is the build folder that needs to be compressed to .zip.

Signage Rocket, a cloud-based digital signage platform, allows you to easily deploy your code to digital signage displays in real-time, whether that’s a simple HTML5 or a complex data-driven solution.

If you’re interested to find out how scalable and easy it is to deploy a more complex solution, expose application settings to other users, work with events contact us at support@signagerocket.com

What is HTML5 Digital Signage?

HTML5 digital signage uses standard web technologies to display content on commercial screens. Instead of proprietary formats, your content runs as a web app in a modern browser engine on the display. Any web developer can build digital signage content using familiar tools — React, Angular, Vue.js, or vanilla JavaScript — and deploy it to Samsung, LG, and BrightSign displays.

How to Deploy Custom HTML5 Apps

Build your HTML5 digital signage app using any web framework. Package it as a ZIP file containing your HTML, CSS, JavaScript, and assets. Upload the ZIP through the Signage Rocket dashboard or use the CLI tool to automate deployments from your CI/CD pipeline. The app is distributed to all connected displays within seconds. Updates happen in the background — no visible interruption on screen.

The Rocket Player caches your app locally, so it keeps running even if the display loses internet. When the connection is restored, updates are fetched automatically. A built-in watchdog monitors your app and auto-restarts it if a crash is detected.

What programming languages can I use?

Any web technology — HTML5, CSS3, JavaScript, and JS frameworks like React and Angular. Your app runs in a modern browser on the display.

Do I need a developer account?

No special account needed. Any Signage Rocket user can upload custom HTML5 apps via ZIP upload or the command-line interface (CLI).

Can I use React or Angular for my digital signage app?

Yes, you can use any web technology including React, Angular, Vue.js, or vanilla JavaScript. As long as your app builds to HTML5, it can be deployed to digital signage displays through Signage Rocket.

Is there an API for automated deployments?

Yes, Signage Rocket provides a CLI tool for automated deployments, making it perfect for CI/CD pipelines. You can automate the entire process from code commit to display update.

How large can my HTML5 app be?

Your custom app is packaged as a ZIP file containing HTML, JavaScript, CSS, and image assets. There is no strict file size limit, but keeping your app lightweight ensures faster deployment and smoother performance on the display.

Does my custom app work offline?

Yes. Once your HTML5 app has been delivered to the display, the Rocket Player caches it locally. If the display temporarily loses its internet connection, your app continues to run. When the connection is restored, any updates are picked up automatically.

Can I update my app without disrupting the display?

Yes. When you upload a new version of your app, the Rocket Player downloads the update in the background and switches to the new version seamlessly. There is no visible interruption or restart on the display.

What happens if my app crashes on the display?

The Rocket Player includes a built-in watchdog that monitors your app. If it detects a crash or an unresponsive screen, the player automatically restarts the app so your display is never left blank.

Can I use third-party APIs from my HTML5 app?

Yes. Your app runs in a modern browser on the display, so it can make HTTP requests to any external API — weather services, stock data, your own backend, or any other data source. Signage Rocket’s architecture means each display makes its own isolated calls, so you don’t need to open up your firewall.

Is there an API or SDK for developing digital signage apps?

Yes. Signage Rocket supports custom HTML5 apps that can use standard web APIs (fetch, WebSocket, localStorage) plus the Rocket Player JavaScript bridge for display-specific features like orientation detection and remote configuration. You build your app with any web framework, package it as a ZIP, and deploy it through the cloud platform.

How do I debug my custom HTML5 app on a digital signage display?

During development, test your app in a desktop browser first using Chrome DevTools. When you deploy to a display, the Rocket Player provides remote logging so you can see console output and errors from the Rocket Manager dashboard without needing physical access to the screen.

What is HTML5 digital signage?

HTML5 digital signage uses web technologies (HTML, CSS, JavaScript) to display content on commercial screens. Instead of proprietary software, content runs as standard web apps in a browser engine on the display. This means any web developer can build digital signage content using React, Angular, Vue.js, or vanilla JavaScript and deploy it to Samsung, LG, BrightSign, or Windows displays.

How do I create a custom digital signage app?

Build your app as a standard HTML5 web page using any framework. Package it as a ZIP file containing your HTML, CSS, JS, and assets. Upload the ZIP through the Signage Rocket dashboard or use the CLI tool for automated deployments from your CI/CD pipeline. The app is distributed to all connected displays within seconds.

Is there an API or SDK for developing digital signage apps?

Yes. Signage Rocket supports custom HTML5 apps that can use standard web APIs (fetch, WebSocket, localStorage) plus the Rocket Player JavaScript bridge for display-specific features like orientation detection and remote configuration. You build your app with any web framework, package it as a ZIP, and deploy it through the cloud platform.

How do I debug my custom HTML5 app on a digital signage display?

During development, test your app in a desktop browser first using Chrome DevTools. When you deploy to a display, the Rocket Player provides remote logging so you can see console output and errors from the Rocket Manager dashboard without needing physical access to the screen.

Is there an API or SDK for developing digital signage apps?

Yes. Signage Rocket supports custom HTML5 apps that can use standard web APIs (fetch, WebSocket, localStorage) plus the Rocket Player JavaScript bridge for display-specific features like orientation detection and remote configuration. You build your app with any web framework, package it as a ZIP, and deploy it through the cloud platform.

How do I debug my custom HTML5 app on a digital signage display?

During development, test your app in a desktop browser first using Chrome DevTools. When you deploy to a display, the Rocket Player provides remote logging so you can see console output and errors from the Rocket Manager dashboard without needing physical access to the screen.

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