nats-r3

c1.conf

server_name=n1
listen=127.0.0.1:4221

accounts {
  $SYS {
    users = [
      { user: "sys",
        pass: "sys"
      }
    ]
  }
}

jetstream {
   store_dir=data1
}

cluster {
  name: C1
  listen: 127.0.0.1:6201
  routes: [
    nats://127.0.0.1:6201
    nats://127.0.0.1:6202
    nats://127.0.0.1:6203
  ]
}

c2.conf

server_name=n2
listen=127.0.0.1:4222

accounts {
  $SYS {
    users = [
      { user: "sys",
        pass: "sys"
      }
    ]
  }
}

jetstream {
   store_dir=data2
}

cluster {
  name: C1
  listen: 127.0.0.1:6202
  routes: [
    nats://127.0.0.1:6201
    nats://127.0.0.1:6202
    nats://127.0.0.1:6203
  ]
}

c3.conf

server_name=n3
listen=127.0.0.1:4223

accounts {
  $SYS {
    users = [
      { user: "sys",
        pass: "sys"
      }
    ]
  }
}

jetstream {
   store_dir=data3
}

cluster {
  name: C1
  listen: 127.0.0.1:6203
  routes: [
    nats://127.0.0.1:6201
    nats://127.0.0.1:6202
    nats://127.0.0.1:6203
  ]
}

READEME.md

Simple NATS JetStream Cluster

• Download nats-server for your platform https://nats.io/download/
• Download NATS command line client https://github.com/nats-io/natscli/releases

Start cluster on three different terminals:

> nats-server -c c1.conf
> nats-server -c c2.conf
> nats-server -c c3.conf

Check cluster status:

> nats --user=sys --password=sys server report jetstream

Other handy nats commands:

> nats stream ls
> nats consumer report

Follow the quick start here for .NET client: https://nats-io.github.io/nats.net.v2/documentation/jetstream/intro.html

More details on NATS clustering: https://docs.nats.io/running-a-nats-service/configuration/clustering