feat(homeassistant): Add Mosquitto MQTT broker

homeassistant/.gitignore

@@ -2,3 +2,5 @@
 !README.md
 !docker-compose.yml
 !backup.env.example
+!mosquitto.env.example
+!mosquitto/config/mosquitto.conf

homeassistant/README.md

@@ -21,6 +21,19 @@ http:
 
 Set the `HOMEASSISTANT_ACCESS_TOKEN` for homepage support.
 
+## MQTT
+
+If you need to use MQTT, you can enable it by setting `COMPOSE_PROFILES=homeassistant,mqtt`.
+
+Copy the Mosquitto environment file to `mosquitto.env` and fill the username and password:
+`cp mosquitto.env.exmple mosquitto.env`.
+
+Start the container, create a user in mosquitto with the following command and the credentials defined in the `mosquitto.env` file:
+
+`docker compose exec mosquitto mosquitto_passwd -b /mosquitto/config/pwfile <username> <password>`
+
+Restart the Mosquitto container to apply the changes.
+
 ## Backup
 
 ### Enable Backups in HomeAssistant

homeassistant/docker-compose.yml

@@ -34,6 +34,21 @@ services:
       - homepage.widget.key=${HOMEASSISTANT_ACCESS_TOKEN}
     profiles:
       - homeassistant
+  mosquitto:
+    container_name: mosquitto
+    image: eclipse-mosquitto
+    restart: always
+    volumes:
+      - ${CONFIG_ROOT:-.}/homeassistant/mosquitto/config:/mosquitto/config
+      - ${CONFIG_ROOT:-.}/homeassistant/mosquitto/data:/mosquitto/data
+      - ${CONFIG_ROOT:-.}/homeassistant/mosquitto/logs:/mosquitto/logs
+    healthcheck:
+      test: [ "CMD", "mosquitto_sub", "-u", "$MOSQUITTO_USERNAME", "-P", "$MOSQUITTO_PASSWORD", "-h", "localhost", "-t", "$$SYS/broker/uptime", "-i", "docker_health_check", "-C", "1" ]
+      interval: 1m
+      timeout: 10s
+      retries: 3
+    profiles:
+      - mqtt
   homeassistant-backup:
     image: adrienpoupa/rclone-backup:latest
     container_name: homeassistant-backup

homeassistant/mosquitto.env.example

@@ -0,0 +1,2 @@
+MOSQUITTO_USERNAME=
+MOSQUITTO_PASSWORD=

homeassistant/mosquitto/config/mosquitto.conf

@@ -0,0 +1,9 @@
+persistence true
+persistence_location /mosquitto/data/
+
+password_file /mosquitto/config/pwfile
+allow_anonymous false
+
+log_dest file /mosquitto/log/mosquitto.log
+
+listener 1883