fix(deploy): mqtt-Service entfernt, db_data als Bind Mount

- mqtt-Service entfernt (externer Broker: dockerbox.morz.de)
- mosquitto/-Verzeichnis gelöscht
- db_data named volume → ./data/db als Bind Mount
- .env.example: MQTT-Broker auf dockerbox.morz.de gesetzt

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

deploy/.env.example

@@ -4,6 +4,6 @@ POSTGRES_PASSWORD=sicheres-passwort-hier
 # Backend
 MORZ_INFOBOARD_ADMIN_PASSWORD=
 MORZ_INFOBOARD_DEFAULT_TENANT=morz
-MORZ_INFOBOARD_MQTT_BROKER=tcp://mqtt:1883
+MORZ_INFOBOARD_MQTT_BROKER=tcp://dockerbox.morz.de:1883
 MORZ_INFOBOARD_MQTT_USERNAME=
 MORZ_INFOBOARD_MQTT_PASSWORD=

deploy/docker-compose.yml

@@ -32,7 +32,7 @@ services:
       POSTGRES_USER: morz_infoboard
       POSTGRES_DB: morz_infoboard
     volumes:
-      - db_data:/var/lib/postgresql/data
+      - ./data/db:/var/lib/postgresql/data
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U morz_infoboard"]
       interval: 10s
@@ -41,22 +41,6 @@ services:
     networks:
       - internal
 
-  mqtt:
-    image: eclipse-mosquitto:2
-    restart: unless-stopped
-    ports:
-      - "1883:1883"
-    volumes:
-      - ./mosquitto/config:/mosquitto/config:ro
-      - mosquitto_data:/mosquitto/data
-      - mosquitto_log:/mosquitto/log
-    networks:
-      - internal
-
-volumes:
-  db_data:
-  mosquitto_data:
-  mosquitto_log:
 
 networks:
   internal:

deploy/mosquitto/config/mosquitto.conf

@@ -1,11 +0,0 @@
-listener 1883
-allow_anonymous false
-password_file /mosquitto/config/passwd
-
-persistence true
-persistence_location /mosquitto/data/
-
-log_dest file /mosquitto/log/mosquitto.log
-log_type error
-log_type warning
-log_type notice