playground websocket

POC used to study the potential of web sockets.

Main features

• push notifications to and from the web browser
• message backlog on redis (in case the client is not available at the moment)
• web application with sticky session
• stateless websocket connection (can connect to a different node than the one of the web session)

Run into local environment

this is a maven project, so you can build it using the command

mvn clean package

then you can start a Jetty application server with this command

mvn jetty:run

the application will be deployed at the following url: http://localhost:8080/playground/w/login

refers to User Credential section to get the login credentials.

the application requires a Redis server available on localhost:6379

Run into local Docker environment

use this command to deploy the application within your local Docker environment

docker-compose up

the application will be deployed at the following url: http://localhost:8080/playground/w/login

refers to User Credential section to get the login credentials.

Run into Kubernetes environment

before start, make sure to have installed the nginx-ingress controller following this guide

use this command to deploy the application within a kubernetes cluster

kubectl apply -f .\kube-deployment.yaml    

the application will be deployed at the following url: http://localhost/playground/w/login

refers to User Credential section to get the login credentials.

User credentials

use this credential to log into the application

Username	Password
user1	user1
user2	user2
user3	user3
user4	user4
user5	user5