Remove exposed ports.

templates/compose/mosquitto.yaml

@@ -8,9 +8,6 @@ services:
   mosquitto:
     image: eclipse-mosquitto
     restart: unless-stopped
-    ports:
-      - "1883:1883"
-      - "8883:8883"
     environment:
       - SERVICE_FQDN_MOSQUITTO
       - MQTT_USERNAME=${MQTT_USERNAME}