This repo is an example project to show the least amount of code you need to set up a Twilio Video WebRTC Go room between two participants. It accompanies the SIGNAL 2021 session on Twilio WebRTC Go.

Twilio WebRTC Go is a free service that allows you to build a custom one-to-one video chat application into your website or native application. In Twilio WebRTC Go rooms participants can chat for free. WebRTC go allows up to 500 concurrent participants (250 rooms with 2 participants per room) and unlimited TURN usage.

If you outgrow Twilio WebRTC Go, you can upgrade your room without changing the code as the SDK is the same.

• How to run this application
  • Deploy
• How it works
  • Functions
  • Static Assets
• Find out more

You will need Node.js 12 and a free Twilio account to run this application.

Clone the source code from GitHub:

git clone https://github.com/philnash/signal-twilio-video-webrtc-go-demo.git
cd signal-twilio-video-webrtc-go-demo

Install the dependencies:

npm install

Copy the .env.example file to .env:

cp .env.example

Fill in the .env file with your Twilio Account SID and Auth Token, found on your Twilio console dashboard, and an API Key and Secret, which you can create in the API Keys section of the console.

Run the application with:

npm start

Open localhost:3000/index.html and enter your name and a room name. Submit and you are in your own Twilio Video WebRTC Go room.

You can deploy this application to Twilio Functions. Just run:

npm run deploy

This is a Twilio Functions application made up of static assets and JavaScript Functions.

There is a Function called token.js that creates a Twilio Video access token for a WebRTC Go room.

In the src directory there is an index.html which is set up for you to enter a username and room name. There is a stylesheet app.css to give the page a little style and an app.js which powers the Video chat.

In app.js the code does the following:

• Intercept the form submission
• Make a request to the /token endpoint to retrieve a token for the username and room
• Use the token with the Twilio Video JS SDK to connect to the room
• Once the room is connected show the local participant's video on the page
• Listens to the room for other participants to join and when they do add their media to the page

Check the source code for commented code to show you what is being done.

Check out the following to find out more about building Twilio Video WebRTC Go applications:

• Understand Twilio Video WebRTC Go Rooms
• Build a Free 1:1 Video Chat Application with Twilio WebRTC Go and JavaScript
• Run the fully featured Twilio Video React application
• Other tutorials and announcements about Twilio Video on the Twilio Blog

We can't wait to see what you build with Twilio Video!