socketio-nodejs-redis-nginx

Use docker compose to run all the required services

• docker compose will create socket server instances, redis instace and nginx instance for load balancing

Please refer ngnix.conf file inside nginx dorectory for nginx configurations

required commands

$ docker compose up

after making changes in files run command to refresh/rebuild images

$ docker compose up --build

for connecting to a socket instance url will be

"http://localhost:8080?userId=< any unique ID >&roomId=< any room Id >"

also server only accepts "websocket" as socket transport not "polling"

- need to pass 
{
    "transports":["websocket"]
    }
while connecting to server using SOCKETIO client

For monitoring socket server as which clients are connected and what rooms and events are being generated

- visit "https://admin.socket.io/" and enter server datails
- select "websocket only ?" button