Welcome to our guide on setting up a simple WebRTC signaling server using flutter-webrtc and HTML5. Whether you’re looking to develop real-time communication apps or want to dive deeper into WebRTC technology, this guide is designed to assist you with step-by-step explanations.

Features of the WebRTC Signaling Server

• Support for multiple operating systems: Windows, Linux, and macOS.
• Built-in web signaling server, including TURN server capabilities.
• Support for REST API to access TURN services.
• Example applications available at flutter-webrtc-demo.

Getting Started with the WebRTC Signaling Server

To run the signaling server, follow these steps:

Step 1: Clone the Repository

git clone https://github.com/flutter-webrtc/flutter-webrtc-server.git

Next, navigate into the cloned directory:

cd flutter-webrtc-server

Step 2: Create a Self-Signed Certificate

To establish secure connections, you’ll need to create a self-signed certificate using mkcert. Start by updating Homebrew and installing mkcert:

brew update
brew install mkcert

Then create a certificate with the following command:

mkcert -key-file configs/certs/key.pem -cert-file configs/certs/cert.pem localhost 127.0.0.1 ::1 0.0.0.0

Step 3: Running the Server

Finally, install Go (if you haven’t already), and run the server:

brew install golang
go run cmd/server/main.go

Once the server is up, open your web browser and navigate to https://0.0.0.0:8086 to access the Flutter web demo.

Testing Your Application

If you’re interested in testing on mobile, you can check out the corresponding demo at webrtc-flutter-demo.

Screenshots

Here are some screenshots demonstrating the setup on different platforms:

Troubleshooting Steps

If you run into any issues while setting up your WebRTC signaling server, consider the following troubleshooting ideas:

• Ensure that you have installed all required dependencies (Go, mkcert).
• Check for any typos in the command lines.
• Verify your firewall settings to allow traffic through port 8086.
• Make sure you access the web demo via HTTPS.

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Final Thoughts

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