Editing NATS Messaging

[[wikipedia:NATS Messaging|NATS]] ([[2011]]) is an open-source software [[messaging system]] written in [[Programming Fundamentals/Introduction/Go|Go]] programming language with [[Kubernetes]] and [[Prometheus]] integration. NATs sever listen on [[TCP]] port 4222 and monitor port on 8222 <code>curl http://127.0.0.1:8222/routez</code>.
* https://nats.io/
* NATS Streaming adds persistence, message replay and durable subscriptions
* Docker: https://hub.docker.com/_/nats
* GitHub: https://github.com/nats-io
* https://github.com/nats-io/nats-server/releases

Monitoring:
* <code>curl http://127.0.0.1:8222/routez</code>
** http://demo.nats.io:8222/routez?subs=1
* <code>curl http://127.0.0.1:8222/varz</code>
* <code>curl http://127.0.0.1:8222/connz</code>
* http://demo.nats.io:8222/connz?limit=16&offset=128
*  http://demo.nats.io:8222/connz?state=closed
* http://demo.nats.io:8222/connz?limit=1&offset=1&subs=1

Gateway
* curl http://127.0.0.1:8222/gatewayz

[[Leaf]]
*  http://demo.nats.io:8222/leafz?subs=1

[[Subscription]]
*  http://demo.nats.io:8222/subsz

== Activities ==
=== Basic ===
# Learn about [[wikipedia:Message-oriented_middleware]] and different software implementations such us: [[ActiveMQ]], [[RedHat AMQ]] or [[Apache Kafka]]
# [[Install NATS using docker]]: https://hub.docker.com/_/nats
## Install NATS in macOS: <code>[[brew install nats-server]]</code>
## Install NATS streaming server in macOS: <code>brew install [[nats-streaming-server]]</code>
# [[NATS: Send your first message]]

=== Medium ===
# Learn how to [[Monitoring|monitor]] your NATS: https://nats-io.github.io/docs/faq#how-can-i-monitor-my-nats-cluster

=== Advanced ===
# Read NATS source code: https://github.com/nats-io/nats-server

== Related ==
* [[Prometheus]] NATS exporter
* [[Synadia]]
* [[8443]]
* [[4222]]

== See also ==
* {{nats-server}}
* {{nats}}
* {{NATS}}
* {{MQ}}

[[Category:Computing]]
[[Category:MQ]]