It's is an Apollo Graphql Server created using typescript which uses postgres as it's database. and is deployed in heroku using docker container.

https://chapserver.herokuapp.com

Checkout the flutter client Chat app flutter

• signup and signin
• create individual and group chats and delete them
• view and add messages
• notification
• instant messages(subscriptions using websocket)

• TypeScript
• Typeorm
• Apollo Server(Graphql)
• Postgres
• Docker
• Heroku
• Firebase Cloud Messaging

you have to run your postgres server at PORT 5432 then

npm install

npm start

first install docker and docker-compose

docker-compose up

in the project directory. then open http://localhost:3350 in your web browser