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im-server

Distributed Message Service Cluster for Service Registration and Discovery via ETCD

Aim

This project is to provide a reliable message service，By making this project into a docker image, you can quickly build a distributed message service cluster on the docker container platform.

You can also customize your message service cluster by modifying the code.

How to use

  • Generate discovery url
curl -s http://discovery.etcd.io/new?size=3
// https://discovery.etcd.io/9c7d8d23b7d883e5a3348ae66fc85ec7
  • Modify start.sh to replace the discovery url
nohup /tmp/etcd/etcd  \
     -name proxy \
     -proxy on  \
     -listen-client-urls http://0.0.0.0:2370  \
     -discovery https://discovery.etcd.io/9c7d8d23b7d883e5a3348ae66fc85ec7 >> /tmp/etcd/output.log 2>&1 & echo $! > run.pid

node ./build/index.js
  • Build and launch the docker container
docker build -t im-server:latest .
docker run -d -p 8080:8080 im-server

Client authentication mode

  1. default

    To allow any client access, the Token required to connect to the server must be generated in conjunction with secret.user in the server configuration.

  2. strict

    Allow only token authenticated client access。

Token generating rule

const token = md5(“${secretKey}_${uid},${ipAddress},${loginTime}”).substr(0, 8)