MQTT broker notes

_source/_posts/2025-01-03-mqtt-broker.markdown

@@ -0,0 +1,35 @@
+---
+layout: post
+title: "Choosing a self-hosted MQTT broker"
+date: 2025-01-03 18:40:00 +0200
+comments: true
+categories:
+---
+
+# [HiveMQ](https://hivemq.com)
+
+:thumbsup: readily available official Docker images
+:thumbsdown:
+* community license is limited to 25 connected clients
+* requires an extension for authentication and authorization
+* community edition only has static, file-based authentication and authorization
+
+# [Mosquitto](https://mosquitto.org/)
+
+
+:thumbsup:
+* no limitations on community edition
+* offers dynamic authentication and authorization
+:thumbsdown:
+* authentication and authorization
+* no built-in web dashboard (it's a separate package, [Cedalo Management Center](https://cedalo.com/mqtt-gui-mosquitto/))
+* Cedalo MC official images no longer updated on Docker Hub
+
+# [EMQX](https://emqx.com)
+
+:thumbsup:
+* Just Works :tm:
+* official Docker images readily available
+* built-in (Mnesia) database
+* built-in web dashboard, including websocket client
+* built-in dynamic authentication with multiple backends