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Showing content from https://github.com/peers/peerjs-server below:

GitHub - peers/peerjs-server: Server for PeerJS

PeerServer helps establishing connections between PeerJS clients. Data is not proxied through the server.

Run your own server on Gitpod!

If you don't want to develop anything, just enter few commands below.

1. Install the package globally:

2. Run the server:

   $ peerjs --port 9000 --key peerjs --path /myapp
   
     Started PeerServer on ::, port: 9000, path: /myapp (v. 0.3.2)

3. Check it: http://127.0.0.1:9000/myapp It should returns JSON with name, description and website fields.

Also, you can use Docker image to run a new container:

$ docker run -p 9000:9000 -d peerjs/peerjs-server

$ kubectl run peerjs-server --image=peerjs/peerjs-server --port 9000 --expose -- --port 9000 --path /myapp

If you have your own server, you can attach PeerServer.

1. Install the package:

   # $ cd your-project-path
   
   # with npm
   $ npm install peer
   
   # with yarn
   $ yarn add peer

2. Use PeerServer object to create a new server:

   const { PeerServer } = require("peer");
   
   const peerServer = PeerServer({ port: 9000, path: "/myapp" });

3. Check it: http://127.0.0.1:9000/myapp It should returns JSON with name, description and website fields.

<script>
	const peer = new Peer("someid", {
		host: "localhost",
		port: 9000,
		path: "/myapp",
	});
</script>

You can provide config object to PeerServer function or specify options for peerjs CLI.

Simply pass in PEM-encoded certificate and key.

const fs = require("fs");
const { PeerServer } = require("peer");

const peerServer = PeerServer({
	port: 9000,
	ssl: {
		key: fs.readFileSync("/path/to/your/ssl/key/here.key"),
		cert: fs.readFileSync("/path/to/your/ssl/certificate/here.crt"),
	},
});

You can also pass any other SSL options accepted by https.createServer, such as `SNICallback:

const fs = require("fs");
const { PeerServer } = require("peer");

const peerServer = PeerServer({
	port: 9000,
	ssl: {
		SNICallback: (servername, cb) => {
			// your code here ....
		},
	},
});

Make sure to set the proxied option, otherwise IP based limiting will fail. The option is passed verbatim to the expressjs trust proxy setting if it is truthy.

const { PeerServer } = require("peer");

const peerServer = PeerServer({
	port: 9000,
	path: "/myapp",
	proxied: true,
});

By default, PeerServer uses uuid/v4 npm package to generate random client IDs.

You can set generateClientId option in config to specify a custom function to generate client IDs.

const { PeerServer } = require("peer");

const customGenerationFunction = () =>
	(Math.random().toString(36) + "0000000000000000000").substr(2, 16);

const peerServer = PeerServer({
	port: 9000,
	path: "/myapp",
	generateClientId: customGenerationFunction,
});

Open http://127.0.0.1:9000/myapp/peerjs/id to see a new random id.

const express = require("express");
const { ExpressPeerServer } = require("peer");

const app = express();

app.get("/", (req, res, next) => res.send("Hello world!"));

// =======

const server = app.listen(9000);

const peerServer = ExpressPeerServer(server, {
	path: "/myapp",
});

app.use("/peerjs", peerServer);

// == OR ==

const http = require("http");

const server = http.createServer(app);
const peerServer = ExpressPeerServer(server, {
	debug: true,
	path: "/myapp",
});

app.use("/peerjs", peerServer);

server.listen(9000);

// ========

Open the browser and check http://127.0.0.1:9000/peerjs/myapp

The 'connection' event is emitted when a peer connects to the server.

peerServer.on('connection', (client) => { ... });

The 'disconnect' event is emitted when a peer disconnects from the server or when the peer can no longer be reached.

peerServer.on('disconnect', (client) => { ... });

Read /src/api/README.md

We have 'ready to use' images on docker hub: https://hub.docker.com/r/peerjs/peerjs-server

To run the latest image:

$ docker run -p 9000:9000 -d peerjs/peerjs-server

You can build a new image simply by calling:

$ docker build -t myimage https://github.com/peers/peerjs-server.git

To run the image execute this:

$ docker run -p 9000:9000 -d myimage

This will start a peerjs server on port 9000 exposed on port 9000 with key peerjs on path /myapp.

Open your browser with http://localhost:9000/myapp It should returns JSON with name, description and website fields. http://localhost:9000/myapp/peerjs/id - should returns a random string (random client id)

Google App Engine will create an HTTPS certificate for you automatically, making this by far the easiest way to deploy PeerJS in the Google Cloud Platform.

1. Create a package.json file for GAE to read:

echo "{}" > package.json
npm install express@latest peer@latest

1. Create an app.yaml file to configure the GAE application.

runtime: nodejs

# Flex environment required for WebSocket support, which is required for PeerJS.
env: flex

# Limit resources to one instance, one CPU, very little memory or disk.
manual_scaling:
  instances: 1
resources:
  cpu: 1
  memory_gb: 0.5
  disk_size_gb: 0.5

1. Create server.js (which node will run by default for the start script):

const express = require("express");
const { ExpressPeerServer } = require("peer");
const app = express();

app.enable("trust proxy");

const PORT = process.env.PORT || 9000;
const server = app.listen(PORT, () => {
	console.log(`App listening on port ${PORT}`);
	console.log("Press Ctrl+C to quit.");
});

const peerServer = ExpressPeerServer(server, {
	path: "/",
});

app.use("/", peerServer);

module.exports = app;

1. Deploy to an existing GAE project (assuming you are already logged in via gcloud), replacing YOUR-PROJECT-ID-HERE with your particular project ID:

gcloud app deploy --project=YOUR-PROJECT-ID-HERE --promote --quiet app.yaml

See PRIVACY.md

Discuss PeerJS on our Discord community: https://discord.gg/Ud2PvAtK37

Please post any bugs as a Github issue.

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