Quick fix to MQTT publish messages

README.md

@@ -35,27 +35,27 @@ Has multiple export locations out of the box:
 * PVOutput - Load into PVOutput.org
 * InfluxDB - Load data directly into InfluxDB
 * Simple webserver showing collected data
+* Rasberry Pi Docker support
 * and more coming....
 
-I have borrowed HEAVILY from the following projects, THANK YOU
+I have learned a lot from the following projects, THANK YOU
 * [solariot](https://github.com/meltaxa/solariot)
 * [modbus4mqtt](https://github.com/tjhowse/modbus4mqtt)
 * [ModbusTCP2MQTT](https://github.com/TenySmart/ModbusTCP2MQTT)
 
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 ## Raodmap / TO DO
-* Rasberry Pi Docker support
 * Full Home Assistant integration, as HACS addon
 
-
 ## Updates
 **0.3.0** 
 **IMPORTANT: If updating from v0.1.x or v0.2.x please check config against config-example. some options for MQTT and PVOutput have changed**
 * Heaps bug fixes
 * Fixed PVOutput not working after midnight
 * MQTT now auto-reconnects
 * MQTT/PVOutput now verify values exist before trying to publish
+* Rasberry Pi Docker support
 * lots more...
 
 
@@ -261,11 +261,19 @@ SH5K-20, SH3K6, SH4K6, SH5K-V13, SH5K-30, SH3K6-30, SH4K6-30, SH5.0RS, SH3.6RS,
 
 
 ## Building
+Multi Arch (BuildX) Including Raspberry Pi
+```sh
+docker run --privileged --rm tonistiigi/binfmt --install all
+docker buildx create --platform linux/amd64,linux/arm64/v8 --use
+docker buildx build --push --platform linux/amd64,linux/arm64/v8 -t bohdans/sungather:latest -t bohdans/sungather:v<version> .
+```
+Current Arch (docker build)
 ```sh
 docker build --no-cache --rm -t bohdans/sungather:latest -t bohdans/sungather:v<version> .
 docker push bohdans/sungather -a
 ```
 
+
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 <!-- LICENSE -->
 ## License

SunGather/exports/mqtt.py

@@ -58,8 +58,9 @@ def on_disconnect(self, client, userdata, rc):
         logging.info(f"MQTT: Server Disconnected code: {rc}")
 
     def on_publish(self, client, userdata, mid):
-        self.mqtt_queue.remove(mid)
-        logging.info(f"MQTT: Message {mid} Published")
+        if mid:
+            self.mqtt_queue.remove(mid)
+            logging.info(f"MQTT: Message {mid} Published")
 
     def cleanName(self, name):
         return name.lower().replace(' ','_')