AWS Websocket Messaging

This repo contains Serverless Framework project for a simple AWS Websocket chat app Technolgies Used:

1. ApiGateway Sockets
2. lambda
3. DynamoDB
4. Ec2

Setup

Install required npm packages first

$ npm install

Install Serverless Framework globally

$ npm install -g serverless

Install required Python packages

$ pip install -r python-packages.txt -t ./lib/python

Deploy into AWS

$ serverless deploy --stage dev

Creating a Coturn server

Create a EC2 instance with ALL_UDP ports open to the internet
sudo -i
apt-get update && apt-get install libssl-dev libevent-dev libhiredis-dev make -y 
apt install coturn
turnserver -a -o -v -n -u username:password -p 3478 -L private -r someRealm -X public/private --no-dtls --no-tls

Connecting to Front-end.

WebRTCChat.html Change values of
Endpoint of websockets api 
IP address (public)
Port value (3478).
Username 
Password 
In S3 bucket host Html page
Enable public