nats messaging system

nats/nats-server.conf

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+# Client port of 4222 on all interfaces
+port: 4222
+
+# HTTP monitoring port
+monitor_port: 8222
+
+# This is for clustering multiple servers together.
+cluster {
+
+  # Route connections to be received on any interface on port 6222
+  port: 6222
+
+  # Routes are protected, so need to use them with --routes flag
+  # e.g. --routes=nats-route://ruser:T0pS3cr3t@otherdockerhost:6222
+  authorization {
+    user: ruser
+    password: T0pS3cr3t
+    timeout: 2
+  }
+
+  # Routes are actively solicited and connected to from this server.
+  # This Docker image has none by default, but you can pass a
+  # flag to the gnatsd docker image to create one to an existing server.
+  routes = []
+}